Cross-site request forgery (CSRF) vulnerability in report/overview/report.php in the quiz module in Moodle before 1.8.13 and 1.9.x before 1.9.9 allows remote attackers to hijack the authentication of arbitrary users for requests that delete quiz attempts via the attemptid parameter.

Cross-site scripting (XSS) vulnerability in Moodle before 1.6.8, 1.7 before 1.7.6, 1.8 before 1.8.7, and 1.9 before 1.9.3 allows remote attackers to inject arbitrary web script or HTML via a Wiki page name (aka page title).

The _bad_protocol_once function in phpgwapi/inc/class.kses.inc.php in KSES, as used in eGroupWare before 1.4.003, Moodle before 1.8.5, and other products, allows remote attackers to bypass HTML filtering and conduct cross-site scripting (XSS) attacks via a string containing crafted URL protocols.

Multiple unknown vulnerabilities in Moodle before 1.5.1 have unknown impact and attack vectors.

Directory traversal vulnerability in file.php in Moodle 1.4.2 and earlier allows remote attackers to read arbitrary session files for known session IDs via a .. (dot dot) in the file parameter.

Unknown vulnerability in Moodle before 1.3.3 has unknown impact and attack vectors, related to language setting.

Unknown vulnerability in Moodle before 1.3.4 has unknown impact and attack vectors, related to "strings in Moodle texts."

Unknown "front page vulnerability with Moodle servers" for Moodle before 1.3.2 has unknown impact and attack vectors.

Unknown vulnerability in Moodle before 1.2 has unknown impact and attack vectors, related to improper filtering of text.

Cross-site scripting (XSS) vulnerability in view.php in Moodle 1.4.2 and earlier allows remote attackers to inject arbitrary web script or HTML via the search parameter.