system
Describe <CVE-2011-4297>.
user
What is <CVE-2011-4297>?
assistant
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..