TI-2025-41492 Aliases CVE-2025-67853 GHSA-5cx4-w4fh-fr57

Moodle: moodle: brute-force facilitation due to missing rate limiting in confirmation email service

LOW 39CWE-307Published 2026-02-03 · Updated 2026-02-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-307.

Summary

A flaw was found in Moodle. A remote attacker could exploit a lack of proper rate limiting in the confirmation email service. This vulnerability allows attackers to more easily enumerate or guess user credentials, facilitating brute-force attacks against user accounts.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00463 40th percentileScored 2026-11-07

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

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

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	4.1.0 to before 4.1.22; 4.4.0 to before 4.4.12; 4.5.0 to before 4.5.8; 5.0.0 to before 5.0.4; 5.1.0 to before 5.1.1	4.1.22, 4.4.12, 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-5cx4-w4fh-fr57
—	moodle/moodle (Packagist)	4.4.0-beta to before 4.4.12	4.4.12	Patch available	GHSA-5cx4-w4fh-fr57
—	moodle/moodle (Packagist)	4.5.0-beta to before 4.5.8	4.5.8	Patch available	GHSA-5cx4-w4fh-fr57
—	moodle/moodle (Packagist)	5.0.0-beta to before 5.0.4	5.0.4	Patch available	GHSA-5cx4-w4fh-fr57
—	moodle/moodle (Packagist)	5.1.0-beta to before 5.1.1	5.1.1	Patch available	GHSA-5cx4-w4fh-fr57

moodle Vendor— Affected 4.1.0 to before 4.1.22; 4.4.0 to before 4.4.12; 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 4.1.22, 4.4.12, 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-5cx4-w4fh-fr57
moodle/moodle (Packagist) Vendor— Affected 4.4.0-beta to before 4.4.12 Fixed in 4.4.12 Patch available GHSA-5cx4-w4fh-fr57
moodle/moodle (Packagist) Vendor— Affected 4.5.0-beta to before 4.5.8 Fixed in 4.5.8 Patch available GHSA-5cx4-w4fh-fr57
moodle/moodle (Packagist) Vendor— Affected 5.0.0-beta to before 5.0.4 Fixed in 5.0.4 Patch available GHSA-5cx4-w4fh-fr57
moodle/moodle (Packagist) Vendor— Affected 5.1.0-beta to before 5.1.1 Fixed in 5.1.1 Patch available GHSA-5cx4-w4fh-fr57

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:moodle:moodle::::::::	before 4.1.22; 4.4.0 to before 4.4.11; 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 before 4.1.22; 4.4.0 to before 4.4.11; 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 4.1.22, 4.4.12, 4.5.8, 5.0.4, 5.1.1
Fix · GHSA-5cx4-w4fh-fr57 moodle/moodle (Packagist) Fixed in 4.1.22 Advisory →
Fix · GHSA-5cx4-w4fh-fr57 moodle/moodle (Packagist) Fixed in 4.4.12 Advisory →
Fix · GHSA-5cx4-w4fh-fr57 moodle/moodle (Packagist) Fixed in 4.5.8 Advisory →
Fix · GHSA-5cx4-w4fh-fr57 moodle/moodle (Packagist) Fixed in 5.0.4 Advisory →
Fix · GHSA-5cx4-w4fh-fr57 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-2025-67853
2026-10-03 Alias added: GHSA-5cx4-w4fh-fr57

References

Advisory 3

Other 2

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