CVE-2025-67849
HIGHMoodle 4.5.0-4.5.7 and <4.1.22 - Stored Cross-Site Scripting via AI Prompt Response
Title source: llmDescription
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.
References (2)
Core 2
Core References
Third Party Advisory vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2025-67849
Issue Tracking, Third Party Advisory issue-tracking
x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2423835
Scores
CVSS v3
7.3
EPSS
0.0001
EPSS Percentile
0.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-79
Status
published
Products (3)
moodle/moodle
5.1.0
moodle/moodle
0 - 4.1.22Packagist
moodle/moodle
4.5.0 - 4.5.8
Published
Feb 03, 2026
Tracked Since
Feb 18, 2026