by Michael Hawkins.

The regrade action in the quiz overview report did not include the necessary token to prevent a CSRF risk.

Severity/Risk: Serious

Versions affected: 5.2, 5.1 to 5.1.4, 5.0 to 5.0.7, 4.5 to 4.5.11 and earlier unsupported versions

Versions fixed: 5.2.1, 5.1.5, 5.0.8 and 4.5.12

Reported by: Paul Holden

CVE identifier: Pending (this will be updated once available)

Changes (main): http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-88531

Tracker issue: MDL-88531 CSRF risk in quiz attempt regrading