TI-2020-15646 Aliases CVE-2020-25628 GHSA-5x33-h32w-6vr2

Cross-site scripting in Moodle

LOW 29CWE-79Published 2020-12-08 · Updated 2024-08-04

Key facts

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

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

Summary

The filter in the tag manager required extra sanitizing to prevent a reflected XSS risk. This affects 3.9 to 3.9.1, 3.8 to 3.8.4, 3.7 to 3.7.7, 3.5 to 3.5.13 and earlier unsupported versions. Fixed in 3.9.2, 3.8.5, 3.7.8 and 3.5.14.

Why it matters now

EPSS 0.00984 62nd percentileScored 2026-11-07

Fix Fixed moodle/moodle (Packagist): 3.9.2, 3.8.5, 3.7.8 +1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	Moodle	3.9 to 3.9.1; 3.8 to 3.8.4; 3.7 to 3.7.7; 3.5 to 3.5.13; earlier unsupported versions	—	No fix listed	CNA
—	moodle/moodle (Packagist)	3.9.0 to before 3.9.2	3.9.2	Patch available	GHSA-5x33-h32w-6vr2
—	moodle/moodle (Packagist)	3.8.0 to before 3.8.5	3.8.5	Patch available	GHSA-5x33-h32w-6vr2
—	moodle/moodle (Packagist)	3.7.0 to before 3.7.8	3.7.8	Patch available	GHSA-5x33-h32w-6vr2
—	moodle/moodle (Packagist)	3.5 to before 3.5.14	3.5.14	Patch available	GHSA-5x33-h32w-6vr2

Moodle Vendor— Affected 3.9 to 3.9.1; 3.8 to 3.8.4; 3.7 to 3.7.7; 3.5 to 3.5.13; earlier unsupported versions Fixed in — No fix listed CNA
moodle/moodle (Packagist) Vendor— Affected 3.9.0 to before 3.9.2 Fixed in 3.9.2 Patch available GHSA-5x33-h32w-6vr2
moodle/moodle (Packagist) Vendor— Affected 3.8.0 to before 3.8.5 Fixed in 3.8.5 Patch available GHSA-5x33-h32w-6vr2
moodle/moodle (Packagist) Vendor— Affected 3.7.0 to before 3.7.8 Fixed in 3.7.8 Patch available GHSA-5x33-h32w-6vr2
moodle/moodle (Packagist) Vendor— Affected 3.5 to before 3.5.14 Fixed in 3.5.14 Patch available GHSA-5x33-h32w-6vr2

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:moodle:moodle::::::::	3.5.0 to before 3.5.14; 3.7.0 to before 3.7.8; 3.8.0 to before 3.8.5; 3.9.0 to before 3.9.2	Vulnerable	Moodle

cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* Versions 3.5.0 to before 3.5.14; 3.7.0 to before 3.7.8; 3.8.0 to before 3.8.5; 3.9.0 to before 3.9.2 Vulnerable ·Moodle

Remediation

Fix · GHSA-5x33-h32w-6vr2 moodle/moodle (Packagist) Fixed in 3.9.2 Advisory →
Fix · GHSA-5x33-h32w-6vr2 moodle/moodle (Packagist) Fixed in 3.8.5 Advisory →
Fix · GHSA-5x33-h32w-6vr2 moodle/moodle (Packagist) Fixed in 3.7.8 Advisory →
Fix · GHSA-5x33-h32w-6vr2 moodle/moodle (Packagist) Fixed in 3.5.14 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-2020-25628
2026-10-03 Alias added: GHSA-5x33-h32w-6vr2

References

Patch 1

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-69340

Advisory 2

Other 1

https://github.com/moodle/moodle/commit/e8632a4ad0b4da3763cbbe5949594aa449b483bb

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