Unspecified vulnerability in the XOOPS uploader class in Xoops 2.0.17.1-RC1 and earlier allows remote attackers to upload arbitrary files via unspecified vectors related to improper upload configuration settings in class/uploader.php and class/mimetypes.inc.php, possibly an incomplete blacklist that omits the .php4 extension.
SQL injection vulnerability in index.php in the WF-Snippets 1.02 and earlier module for XOOPS allows remote attackers to execute arbitrary SQL commands via the c parameter in a cat action.
Multiple SQL injection vulnerabilities in Xoops 2.0.16 allow remote attackers to execute arbitrary SQL commands via (1) the id parameter in kernel/group.php in core, (2) the lid parameter in class/table_broken.php in the Weblinks module, and other unspecified vectors.
Cross-site scripting (XSS) vulnerability in modules/wfdownloads/newlist.php in XOOPS 1.0 allows remote attackers to inject arbitrary web script or HTML via the newdownloadshowdays parameter.
SQL injection vulnerability in edituser.php in Xoops before 2.0.15 allows remote attackers to execute arbitrary SQL commands via the user_avatar parameter.
mainfile.php in XOOPS 2.0.13.2 and earlier, when register_globals is enabled, allows remote attackers to overwrite variables such as $xoopsOption['nocommon'] and conduct directory traversal attacks or include PHP files via (1) xoopsConfig[language] to misc.php or (2) xoopsConfig[theme_set] to index.php, as demonstrated by injecting PHP sequences into a log file.
Directory traversal vulnerability in editor_registry.php in XOOPS 2.2.3 allows remote attackers to read or include arbitrary local files via a .. (dot dot) in the xoopsConfig[language] parameter.
Multiple cross-site scripting (XSS) vulnerabilities in XOOPS 2.0.12 JP and earlier, XOOPS 2.0.13.1 and earlier, and 2.2.x up to 2.2.3 RC1 allow remote attackers to inject arbitrary web script or HTML via (1) modules that use "XOOPS Code" and (2) newbb in the forum module.
Multiple cross-site scripting (XSS) vulnerabilities in XOOPS 2.0.11 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) order parameter to edit.php or (2) cid parameter to comment_edit.php.
SQL injection vulnerability in the loginUser function in the XMLRPC server in XOOPS 2.0.11 and earlier allows remote attackers to execute arbitrary SQL commands and bypass authentication via crafted values in an XML file, as demonstrated using the blogger.getPost method.