Cross-site scripting in Moodle
Priority LOW 28CWE-79Published · Updated
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
In Moodle before 3.9.1, 3.8.4 and 3.7.7, the filter in the admin task log required extra sanitizing to prevent a reflected XSS risk.
Why it matters now
EPSS 0.0072 54th percentileScored 2026-11-07
Fix Fixed moodle/moodle (Packagist): 3.9.1, 3.8.4, 3.7.7
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 | Moodle 3.9, 3.8 to 3.8.3 and 3.7 to 3.7.6 | — | No fix listed | CNA |
| — | moodle/moodle (Packagist) | 3.9 to before 3.9.1 | 3.9.1 | Patch available | GHSA-fcpw-vqh5-6qwj |
| — | moodle/moodle (Packagist) | 3.8 to before 3.8.4 | 3.8.4 | Patch available | GHSA-fcpw-vqh5-6qwj |
| — | moodle/moodle (Packagist) | 3.7 to before 3.7.7 | 3.7.7 | Patch available | GHSA-fcpw-vqh5-6qwj |
- Moodle Vendor— Affected Moodle 3.9, 3.8 to 3.8.3 and 3.7 to 3.7.6 Fixed in — No fix listed CNA
- moodle/moodle (Packagist) Vendor— Affected 3.9 to before 3.9.1 Fixed in 3.9.1 Patch available GHSA-fcpw-vqh5-6qwj
- moodle/moodle (Packagist) Vendor— Affected 3.8 to before 3.8.4 Fixed in 3.8.4 Patch available GHSA-fcpw-vqh5-6qwj
- moodle/moodle (Packagist) Vendor— Affected 3.7 to before 3.7.7 Fixed in 3.7.7 Patch available GHSA-fcpw-vqh5-6qwj
Remediation
- Fix · GHSA-fcpw-vqh5-6qwj moodle/moodle (Packagist) Fixed in 3.9.1 Advisory →
- Fix · GHSA-fcpw-vqh5-6qwj moodle/moodle (Packagist) Fixed in 3.8.4 Advisory →
- Fix · GHSA-fcpw-vqh5-6qwj moodle/moodle (Packagist) Fixed in 3.7.7 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-14320
- 2026-10-03 Alias added: GHSA-fcpw-vqh5-6qwj
References
More Moodle vulnerabilities
- 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
Sources
- CVE-2020-14320 · CVE Program
- CVE-2020-14320 · NVD
- FIRST EPSS
- GHSA-fcpw-vqh5-6qwj · GitHub Advisory Database · CC BY 4.0
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