Rapid7 Vulnerability & Exploit Database

MediaWiki Thumb.php Remote Command Execution

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MediaWiki Thumb.php Remote Command Execution



MediaWiki 1.22.x before 1.22.2, 1.21.x before 1.21.5 and 1.19.x before 1.19.11, when DjVu or PDF file upload support is enabled, allows remote unauthenticated users to execute arbitrary commands via shell metacharacters. If no target file is specified this module will attempt to log in with the provided credentials to upload a file (.DjVu) to use for exploitation.


  • Netanel Rubin
  • Brandon Perry
  • Ben Harris
  • Ben Campbell <eat_meatballs@hotmail.co.uk>


Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

msf > use exploit/multi/http/mediawiki_thumb
msf exploit(mediawiki_thumb) > show targets
msf exploit(mediawiki_thumb) > set TARGET < target-id >
msf exploit(mediawiki_thumb) > show options
    ...show and set options...
msf exploit(mediawiki_thumb) > exploit

Time is precious, so I don’t want to do something manually that I can automate. Leveraging the Metasploit Framework when automating any task keeps us from having to re-create the wheel as we can use the existing libraries and focus our efforts where it matters.

– Jim O’Gorman | President, Offensive Security