CVE-2011-4297: Undefined Security Weakness

comment/lib.php in Moodle 2.0.x before 2.0.4 and 2.1.x before 2.1.1 does not properly restrict comment capabilities, which allows remote attackers to post a comment by leveraging the guest role and operating on a front-page activity...

CVE-2011-1405: Improper Neutralization of Input During Web Page Generation

Cross-site scripting XSS vulnerability in Mahara before 1.3.6 allows remote authenticated users to inject arbitrary web script or HTML via vectors associated with HTML e-mail messages, related to artefact/comment/lib.php and interaction/forum/lib.php...