Charlie Eriksen has discovered a vulnerability in the UnGallery plugin for WordPress, which can be exploited by malicious people to compromise a vulnerable system.
Input passed via the "search" parameter to e.g. index.php (when "gallerylink" is set) is not properly verified in wp-content/plugins/ungallery/search.php before being used in the "find" command and can be exploited to execute arbitrary shell commands.
The vulnerability is confirmed in version 2.1.5. Other versions may also be affected.
Solution: Update to version 2.1.6 or later.
Provided and/or discovered by: Charlie Eriksen via Secunia.
Original Advisory: http://wordpress.org/extend/plugins/ungallery/changelog/
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