MediaWiki < 1.19.11 / 1.21.5 / 1.22.2 Multiple Remote Code Execution Vulnerabilities

According to its version number, the instance of MediaWiki running on the remote host is affected by the following remote code execution vulnerabilities : - A user-input validation error exists during thumbnail generation in the 'thumb.php' script that allows the execution of arbitrary shell...

Profile picture thumbnail generation can consume unlimited amount of memory

Discovered a Studio customer, you can upload a very large profile picture to expose the same problem as CONF-21480, just in a different area of the application. We should limit the size of images we're willing to load into memory to avoid this problem with user pictures...

CVE-2005-0516: Undefined Security Weakness

The ImageGalleryPlugin ImageGalleryPlugin.pm in Twiki allows remote attackers to execute arbitrary commands via certain commands that generate thumbnails...