A flaw was found in moodle. This vulnerability, known as Cross-Site Scripting (XSS), occurs due to insufficient checks on user-provided data in the formula editor's arithmetic expression fields. A remote attacker could inject malicious code into these fields. When other users view these expressions, the malicious code would execute in their web browsers, potentially compromising their data or leading to unauthorized actions.
History

Wed, 04 Feb 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Moodle
Moodle moodle
Vendors & Products Moodle
Moodle moodle

Tue, 03 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 03 Feb 2026 13:15:00 +0000

Type Values Removed Values Added
Description A flaw was found in moodle. This vulnerability, known as Cross-Site Scripting (XSS), occurs due to insufficient checks on user-provided data in the formula editor's arithmetic expression fields. A remote attacker could inject malicious code into these fields. When other users view these expressions, the malicious code would execute in their web browsers, potentially compromising their data or leading to unauthorized actions.
Title Moodle: moodle: cross-site scripting vulnerability via inadequate input filtering in formula editor
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: fedora

Published: 2026-02-03T10:52:03.962Z

Updated: 2026-02-04T04:55:47.904Z

Reserved: 2025-12-12T13:00:24.330Z

Link: CVE-2025-67850

cve-icon Vulnrichment

Updated: 2026-02-03T17:02:17.320Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-03T11:15:55.213

Modified: 2026-02-03T16:44:03.343

Link: CVE-2025-67850

cve-icon Redhat

No data.