TI-2025-03203 Aliases CVE-2025-3636 GHSA-chmf-m33p-ph8m

Moodle: idor in moodle rss block allows unauthorized access to rss feeds

LOW 20CWE-639Published 2025-04-25 · Updated 2025-04-25

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-639.

Summary

A flaw was found in Moodle. This vulnerability allows unauthorized users to access and view RSS feeds due to insufficient capability checks.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00336 27th percentileScored 2026-11-07

Fix Fixed moodle: 4.5.4, 4.4.8, 4.3.12 +1moodle/moodle (Packagist): 4.1.18, 4.3.12, 4.4.8 +1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
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	4.5.0 to before 4.5.4; 4.4.0 to before 4.4.8; 4.3.0 to before 4.3.12; 4.1.0 to before 4.1.18	4.5.4, 4.4.8, 4.3.12, 4.1.18	Patch available	CNA
—	moodle/moodle (Packagist)	before 4.1.18	4.1.18	Patch available	GHSA-chmf-m33p-ph8m
—	moodle/moodle (Packagist)	4.3.0-beta to before 4.3.12	4.3.12	Patch available	GHSA-chmf-m33p-ph8m
—	moodle/moodle (Packagist)	4.4.0-beta to before 4.4.8	4.4.8	Patch available	GHSA-chmf-m33p-ph8m
—	moodle/moodle (Packagist)	4.5.0-beta to before 4.5.4	4.5.4	Patch available	GHSA-chmf-m33p-ph8m

moodle Vendor— Affected 4.5.0 to before 4.5.4; 4.4.0 to before 4.4.8; 4.3.0 to before 4.3.12; 4.1.0 to before 4.1.18 Fixed in 4.5.4, 4.4.8, 4.3.12, 4.1.18 Patch available CNA
moodle/moodle (Packagist) Vendor— Affected before 4.1.18 Fixed in 4.1.18 Patch available GHSA-chmf-m33p-ph8m
moodle/moodle (Packagist) Vendor— Affected 4.3.0-beta to before 4.3.12 Fixed in 4.3.12 Patch available GHSA-chmf-m33p-ph8m
moodle/moodle (Packagist) Vendor— Affected 4.4.0-beta to before 4.4.8 Fixed in 4.4.8 Patch available GHSA-chmf-m33p-ph8m
moodle/moodle (Packagist) Vendor— Affected 4.5.0-beta to before 4.5.4 Fixed in 4.5.4 Patch available GHSA-chmf-m33p-ph8m

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:moodle:moodle::::::::	before 4.1.18; 4.3.0 to before 4.3.12; 4.4.0 to before 4.4.8; 4.5.0 to before 4.5.4	Vulnerable	Moodle

cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* Versions before 4.1.18; 4.3.0 to before 4.3.12; 4.4.0 to before 4.4.8; 4.5.0 to before 4.5.4 Vulnerable ·Moodle

Remediation

Fix · CNA moodle Fixed in 4.5.4, 4.4.8, 4.3.12, 4.1.18
Fix · GHSA-chmf-m33p-ph8m moodle/moodle (Packagist) Fixed in 4.1.18 Advisory →
Fix · GHSA-chmf-m33p-ph8m moodle/moodle (Packagist) Fixed in 4.3.12 Advisory →
Fix · GHSA-chmf-m33p-ph8m moodle/moodle (Packagist) Fixed in 4.4.8 Advisory →
Fix · GHSA-chmf-m33p-ph8m moodle/moodle (Packagist) Fixed in 4.5.4 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-2025-3636
2026-10-03 Alias added: GHSA-chmf-m33p-ph8m

References

Patch 1

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-84499

Advisory 2

Other 4

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