Web Application Vulnerabilities Runtime SCA Findings
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Moodle Session Fixation Vulnerability - CVE-2025-53021 - Vulnerability Database
Moodle

Moodle Session Fixation Vulnerability - CVE-2025-53021

Medium
Reference: CVE-2025-53021
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2025-53021
Title: Moodle Session Fixation Vulnerability
Overview:

A session fixation vulnerability in Moodle 3.x through 3.11.18 allows unauthenticated attackers to hijack user sessions via the sesskey parameter. The sesskey can be obtained without authentication and reused within the OAuth2 login flow resulting in the victim39s session being linked to the attacker39s. Successful exploitation results in full account takeover. According to the Moodle Releases page quotBug fixes for security issues in 3.11.x ended 11 December 2023.quot NOTE: This vulnerability only affects products that are no longer supported by the maintainer.