TI-2025-41488 Aliases CVE-2025-67849 GHSA-mhf6-pp52-8wqj

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

LOW 34CWE-79Published 2026-02-03 · Updated 2026-02-26

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: High · High · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00264 18th percentileScored 2026-11-07

Fix Fixed moodle: 4.5.8, 5.0.4, 5.1.1moodle/moodle (Packagist): 4.1.22, 4.4.12, 4.5.8 +2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	moodle	4.5.0 to before 4.5.8; 5.0.0 to before 5.0.4; 5.1.0 to before 5.1.1	4.5.8, 5.0.4, 5.1.1	Patch available	CNA
—	moodle/moodle (Packagist)	before 4.1.22	4.1.22	Patch available	GHSA-mhf6-pp52-8wqj
—	moodle/moodle (Packagist)	4.4.0-beta to before 4.4.12	4.4.12	Patch available	GHSA-mhf6-pp52-8wqj
—	moodle/moodle (Packagist)	4.5.0-beta to before 4.5.8	4.5.8	Patch available	GHSA-mhf6-pp52-8wqj
—	moodle/moodle (Packagist)	5.0.0-beta to before 5.0.4	5.0.4	Patch available	GHSA-mhf6-pp52-8wqj
—	moodle/moodle (Packagist)	5.1.0-beta to before 5.1.1	5.1.1	Patch available	GHSA-mhf6-pp52-8wqj

moodle Vendor— Affected 4.5.0 to before 4.5.8; 5.0.0 to before 5.0.4; 5.1.0 to before 5.1.1 Fixed in 4.5.8, 5.0.4, 5.1.1 Patch available CNA
moodle/moodle (Packagist) Vendor— Affected before 4.1.22 Fixed in 4.1.22 Patch available GHSA-mhf6-pp52-8wqj
moodle/moodle (Packagist) Vendor— Affected 4.4.0-beta to before 4.4.12 Fixed in 4.4.12 Patch available GHSA-mhf6-pp52-8wqj
moodle/moodle (Packagist) Vendor— Affected 4.5.0-beta to before 4.5.8 Fixed in 4.5.8 Patch available GHSA-mhf6-pp52-8wqj
moodle/moodle (Packagist) Vendor— Affected 5.0.0-beta to before 5.0.4 Fixed in 5.0.4 Patch available GHSA-mhf6-pp52-8wqj
moodle/moodle (Packagist) Vendor— Affected 5.1.0-beta to before 5.1.1 Fixed in 5.1.1 Patch available GHSA-mhf6-pp52-8wqj

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:moodle:moodle::::::::	4.5.0 to before 4.5.8; 5.0.0 to before 5.0.4	Vulnerable	Moodle
cpe:2.3:a:moodle:moodle:5.1.0:-::::::	5.1.0	Vulnerable	Moodle

cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* Versions 4.5.0 to before 4.5.8; 5.0.0 to before 5.0.4 Vulnerable ·Moodle
cpe:2.3:a:moodle:moodle:5.1.0:-:*:*:*:*:*:* Versions 5.1.0 Vulnerable ·Moodle

Remediation

Fix · CNA moodle Fixed in 4.5.8, 5.0.4, 5.1.1
Fix · GHSA-mhf6-pp52-8wqj moodle/moodle (Packagist) Fixed in 4.1.22 Advisory →
Fix · GHSA-mhf6-pp52-8wqj moodle/moodle (Packagist) Fixed in 4.4.12 Advisory →
Fix · GHSA-mhf6-pp52-8wqj moodle/moodle (Packagist) Fixed in 4.5.8 Advisory →
Fix · GHSA-mhf6-pp52-8wqj moodle/moodle (Packagist) Fixed in 5.0.4 Advisory →
Fix · GHSA-mhf6-pp52-8wqj moodle/moodle (Packagist) Fixed in 5.1.1 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2025-67849
2026-10-03 Alias added: GHSA-mhf6-pp52-8wqj

References

Advisory 3

Other 3

TI-2024-22468 moodle: unsafe direct use of $_SERVER['HTTP_REFERER'] in admin/tool/mfa/index.php CVSS 3.1CRITICAL 9.8
TI-2021-14741 In Moodle, an SQL injection risk was identified in the library fetching a user's recent courses. CVSS 3.1CRITICAL 9.8
TI-2024-29071 Moodle: remote code execution via calculated question types CVSS 3.1HIGH 8.1
TI-2016-06653 Moodle 3.1.2 allows remote attackers to obtain sensitive information via unspecified… CVSS 3.1HIGH 7.5
TI-2022-00259 SQL injection in moodle CVSS 3.1CRITICAL 9.8
TI-2022-16116 Path traversal in Moodle CVSS 3.1HIGH 7.5

See all 636 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences