system
Describe <CVE-2013-4431>.
user
What is <CVE-2013-4431>?
assistant
Mahara before 1.5.12, 1.6.x before 1.6.7, and 1.7.x before 1.7.3 does not properly prevent access to blocks, which allows remote authenticated users to modify arbitrary blocks via the bock id in an edit request..