A flaw was found in Moodle. This cross-site scripting (XSS) vulnerability, caused by improper sanitization of AI prompt responses, allows attackers to inject malicious HTML or script into web pages. When other users view these compromised pages, their sessions could be stolen, or the user interface could be manipulated.
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 cross-site scripting (XSS) vulnerability, caused by improper sanitization of AI prompt responses, allows attackers to inject malicious HTML or script into web pages. When other users view these compromised pages, their sessions could be stolen, or the user interface could be manipulated.
Title Moodle: moodle: cross-site scripting (xss) via improper sanitization of ai prompt responses
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: 2026-02-03T10:52:01.127Z

Updated: 2026-02-04T04:55:49.524Z

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

Link: CVE-2025-67849

cve-icon Vulnrichment

Updated: 2026-02-03T17:01:50.675Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-03T11:15:55.067

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

Link: CVE-2025-67849

cve-icon Redhat

No data.