Multiple unspecified vulnerabilities in XOOPS before 2.4.0 Final have unknown impact and attack vectors.
Cross-site scripting (XSS) vulnerability in viewtopic.php in Xoops 2.x, possibly 2 through 2.0.5, allows remote attackers to inject arbitrary web script or HTML via the (1) forum and (2) topicid parameters.
Multiple cross-site scripting (XSS) vulnerabilities in XOOPS 2.5.1.a, and possibly earlier versions, allow remote attackers to inject arbitrary web script or HTML via the (1) text parameter to include/formdhtmltextareapreview.php or (2) img BBCODE tag within the message parameter to pmlite.php (aka Private Message). NOTE: some of these details are obtained from third party information.