Cross-site Scripting (XSS)

Moodle is vulnerable to cross-site scripting XSS attacks. Authenticated attackers can inject web script and HTML into the application through the externalformattext function in lib/externallib.php...

CVE-2015-3178: Improper Neutralization of Input During Web Page Generation

Cross-site scripting XSS vulnerability in the externalformattext function in lib/externallib.php in Moodle through 2.5.9, 2.6.x before 2.6.11, 2.7.x before 2.7.8, and 2.8.x before 2.8.6 allows remote authenticated users to inject arbitrary web script or HTML into an external application via a...