Moodle Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2013-4341
Multiple cross-site scripting (XSS) vulnerabilities in Moodle through 2.2.11 2.3.x before 2.3.9 2.4.x before 2.4.6 and 2.5.x before 2.5.2 allow remote attackers to inject arbitrary web script or HTML via a crafted blog link within an RSS feed.