Viewcat.php in (1) RUNCMS 1.1A, (2) Ciamos 0.9.2 RC1, e-Xoops 1.05 Rev3, and possibly other products based on e-Xoops (exoops), allow remote attackers to obtain sensitive information via an invalid parameter to the convertorderbytrans function, which reveals the path in a PHP error message.

highlight.php in (1) RUNCMS 1.1A, (2) CIAMOS 0.9.2 RC1, (3) e-Xoops 1.05 Rev3, and possibly other products based on e-Xoops (exoops), allows remote attackers to read arbitrary PHP files by specifying the pathname in the file parameter, as demonstrated by reading database configuration information from mainfile.php.

Multiple cross-site scripting (XSS) vulnerabilities in exoops allow remote attackers to inject arbitrary web script or HTML via (1) the sortdays parameter to viewforum.php or (2) the viewcat parameter to index.php.

Multiple SQL injection vulnerabilities in exoops may allow remote attackers to execute arbitrary SQL commands via (1) the viewcat parameter to index.php or (2) the artid parameter in the viewarticle action for index.php.

RUNCMS 1.1A, and possibly other products based on e-Xoops (exoops), when "Allow custom avatar upload" is enabled, does not properly verify uploaded files, which allows remote attackers to upload arbitrary files.