The KSES text cleaning filter in lib/weblib.php in Moodle before 1.8.13 and 1.9.x before 1.9.9 does not properly handle vbscript URIs, which allows remote authenticated users to conduct cross-site scripting (XSS) attacks via HTML input.
Get an AI-powered plain-language explanation of this vulnerability and remediation steps.
Login to generate AI explanation32 reference(s) from NVD