Moodle Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2013-2244
Multiple cross-site scripting (XSS) vulnerabilities in lib/conditionlib.php in Moodle 2.4.x before 2.4.5 and 2.5.x before 2.5.1 allow remote attackers to inject arbitrary web script or HTML via the conditional access rule value of a user field.