Open redirect vulnerability in the Calendar set page in Moodle 2.1.x before 2.1.3 allows…
Priority LOW 25CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Partial · Partial · None
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-601.
Summary
Open redirect vulnerability in the Calendar set page in Moodle 2.1.x before 2.1.3 allows remote authenticated users to redirect users to arbitrary web sites and conduct phishing attacks via a redirection URL.
Why it matters now
EPSS 0.01188 68th percentileScored 2026-11-07
Fix Fixed moodle/moodle (Packagist): 2.1.3
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | moodle/moodle (Packagist) | 2.1 to before 2.1.3 | 2.1.3 | Patch available | GHSA-jcrj-x36p-h9f6 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- moodle/moodle (Packagist) Vendor— Affected 2.1 to before 2.1.3 Fixed in 2.1.3 Patch available GHSA-jcrj-x36p-h9f6
Remediation
- Fix · GHSA-jcrj-x36p-h9f6 moodle/moodle (Packagist) Fixed in 2.1.3 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2011-4582
- 2026-10-03 Alias added: GHSA-jcrj-x36p-h9f6
References
Patch 2
Other 6
- https://bugzilla.redhat.com/show_bug.cgi?id=761248
- https://github.com/moodle/moodle/commit/0d2672748c00181d9cdae2aabbab916cbd64c47d
- https://github.com/moodle/moodle/commit/21e7d4c5fc9cc5df54c9c7d82190f1339d163a9e
- https://github.com/moodle/moodle/commit/7f422374c101dcb0affdd5127b855671af4f3748
- https://github.com/moodle/moodle/commit/eb59a448f7879d69b21fcde7f1fcddd69655e045
- https://github.com/moodle/moodle
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-2011-4582 · CVE Program
- CVE-2011-4582 · NVD
- FIRST EPSS
- GHSA-jcrj-x36p-h9f6 · GitHub Advisory Database · CC BY 4.0
- CVE-2011-4582 · Red Hat security data · CC BY 4.0
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