CVE-2025-67849 - CVE House
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Status published High CVE-2025-67849

Moodle: moodle: cross-site scripting (xss) via improper sanitization of ai prompt responses

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Red Hat would like to thank Vuln37 for reporting this issue.

Affected Vendor

Affected Software

Unknown
Vulnerable Versions:
4.5.0, 5.0.0, 5.1.0

Timeline

Official Publish: February 3rd, 2026
Last Modified: February 26th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Weaknesses (CWE)