CVE-2013-2083: The MoodleQuickForm class in lib/formslib.php in Moodle through 2.1.10, 2.2.x before 2.2.10, 2.3.x before 2...

Security readout for executives and security teams

CVE-2013-2083 affects older Moodle releases. A flaw in Moodle's form handling could let a remote attacker bypass intended filtering on submitted form data using unusual array syntax. The sources do not provide CVSS, confirmed impact beyond filtering bypass, or evidence of active exploitation. Exposure is mainly legacy Moodle installations in the listed version ranges, especially internet-facing learning portals. Current supported Moodle branches are not identified as affected in the provided sources. Prioritize remediation where old Moodle is internet-facing or handles sensitive student, staff, or course data. Urgency is lower than known-exploited issues, but unsupported Moodle should be removed or upgraded. Mitigation focus: Upgrade affected Moodle branches to fixed or later supported releases.; For Moodle 2.1.x or older, consult Moodle guidance and plan migration.; Apply relevant distribution updates if Moodle came from Fedora packages..

Prepared

Jun 14, 2026, 22:07 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.