Cross-site scripting (XSS) vulnerability in claroline/linker/notfound.php in Claroline 1.8.11 allows remote attackers to inject arbitrary web script or HTML via the Referer HTTP header.

Multiple cross-site scripting (XSS) vulnerabilities in Claroline 1.8.10 allow remote attackers to inject arbitrary web script or HTML via the (1) query string to (a) announcements/messages.php; (b) lostPassword.php and (c) profile.php in auth/; (d) calendar/myagenda.php; (e) group/group.php; (f) learningPath.php, (g) learningPathList.php, and (h) module.php in learnPath/; (i) phpbb/index.php; (j) courseLog.php, (k) course_access_details.php, (l) delete_course_stats.php, (m) userLog.php, and (n) user_access_details.php in tracking/; (o) user/user.php; and (p) user/userInfo.php; the (2) view parameter to (q) tracking/courseLog.php; and the (3) toolId parameter to (r) tracking/toolaccess_details.php. NOTE: this may overlap CVE-2006-3257 and CVE-2005-1374.

Open redirect vulnerability in claroline/redirector.php in Claroline before 1.8.10 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the url parameter.

Multiple cross-site scripting (XSS) vulnerabilities in Claroline before 1.8.10 allow remote attackers to inject arbitrary web script or HTML via (1) the cwd parameter in a rqMkHtml action to document/rqmkhtml.php, or the query string to (2) announcements/announcements.php, (3) calendar/agenda.php, (4) course/index.php, (5) course_description/index.php, (6) document/document.php, (7) exercise/exercise.php, (8) group/group_space.php, (9) phpbb/newtopic.php, (10) phpbb/reply.php, (11) phpbb/viewtopic.php, (12) wiki/wiki.php, or (13) work/work.php in claroline/.

Cross-site request forgery (CSRF) vulnerability in Claroline before 1.8.10 allows remote attackers to change passwords, related to lack of a requirement for the previous password.