CVE-2025-67849

Published: Feb 3, 2026Modified: Jun 17, 2026

6.1

Vector

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

Exploitability: 2.8 / Impact: 2.7

Source: NVD

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.

Affected (3)

Products: Moodle: Moodle

1 product

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Moodle Moodle	From 4.5.0 to 4.5.8
Moodle Moodle	From 5.0.0 to 5.0.4
Moodle Moodle	Version 5.1.0

Related CWEs

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (2)

https://access.redhat.com/security/cve/CVE-2025-67849

Source: patrick@puiterwijk.org

Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=2423835

Source: patrick@puiterwijk.org

Issue TrackingThird Party Advisory

Timeline

No history available yet.