Moodle: moodle: open redirect vulnerability in oauth login flow allows redirection to malicious sites.
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Spoofing
- 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-601.
Summary
A flaw was found in Moodle. An open redirect vulnerability in the OAuth login flow allows a remote attacker to redirect users to attacker-controlled pages after they have successfully authenticated. This occurs due to insufficient validation of redirect parameters, which could lead to phishing attacks or information disclosure.
Why it matters now
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 | 4.1.0 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-qv78-6gpp-hm68 |
| — | moodle/moodle (Packagist) | 4.4.0-beta to before 4.4.12 | 4.4.12 | Patch available | GHSA-qv78-6gpp-hm68 |
| — | moodle/moodle (Packagist) | 4.5.0-beta to before 4.5.8 | 4.5.8 | Patch available | GHSA-qv78-6gpp-hm68 |
| — | moodle/moodle (Packagist) | 5.0.0-beta to before 5.0.4 | 5.0.4 | Patch available | GHSA-qv78-6gpp-hm68 |
| — | moodle/moodle (Packagist) | 5.1.0-beta to before 5.1.1 | 5.1.1 | Patch available | GHSA-qv78-6gpp-hm68 |
- 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-qv78-6gpp-hm68
- moodle/moodle (Packagist) Vendor— Affected 4.4.0-beta to before 4.4.12 Fixed in 4.4.12 Patch available GHSA-qv78-6gpp-hm68
- moodle/moodle (Packagist) Vendor— Affected 4.5.0-beta to before 4.5.8 Fixed in 4.5.8 Patch available GHSA-qv78-6gpp-hm68
- moodle/moodle (Packagist) Vendor— Affected 5.0.0-beta to before 5.0.4 Fixed in 5.0.4 Patch available GHSA-qv78-6gpp-hm68
- moodle/moodle (Packagist) Vendor— Affected 5.1.0-beta to before 5.1.1 Fixed in 5.1.1 Patch available GHSA-qv78-6gpp-hm68
Remediation
- Fix · CNA moodle Fixed in 4.1.22, 4.4.12, 4.5.8, 5.0.4, 5.1.1
- Fix · GHSA-qv78-6gpp-hm68 moodle/moodle (Packagist) Fixed in 4.1.22 Advisory →
- Fix · GHSA-qv78-6gpp-hm68 moodle/moodle (Packagist) Fixed in 4.4.12 Advisory →
- Fix · GHSA-qv78-6gpp-hm68 moodle/moodle (Packagist) Fixed in 4.5.8 Advisory →
- Fix · GHSA-qv78-6gpp-hm68 moodle/moodle (Packagist) Fixed in 5.0.4 Advisory →
- Fix · GHSA-qv78-6gpp-hm68 moodle/moodle (Packagist) Fixed in 5.1.1 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2025-67852
- 2026-10-03 Alias added: GHSA-qv78-6gpp-hm68
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-2025-67852 · CVE Program
- CVE-2025-67852 · NVD
- FIRST EPSS
- GHSA-qv78-6gpp-hm68 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-67852 · Red Hat security data · CC BY 4.0
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