Executive brief
Moodle Session Fixation allows unauthenticated users to hijack sessions via sesskey parameter
Affected products
- Packagist moodle/moodle
Junglewise Threat Intelligence
CVE-2025-53021: Moodle Session Fixation allows unauthenticated users to hijack sessions via sesskey parameter
CVE-2025-53021 · Severity: low · CVSS 3.1 · Published 2025-06-24
Technologies: moodle/moodle (Packagist). Vendors: Packagist.
Related threats
- Moodle course access permissions are not properly checked in course_output_fragment_course_overview
- Moodle allows unauthenticated REST API user data exposure
- Moodle reveals student identities through assignment submissions search on anonymous submissions
- Moodle IDOR when accessing list of course badges
- Moodle IDOR when accessing list of badge recipients