message/refresh.php in Moodle 1.9.x before 1.9.14 allows remote authenticated users to…
Priority LOW 23CWE-189Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-189 and the CVSS impact.
Summary
message/refresh.php in Moodle 1.9.x before 1.9.14 allows remote authenticated users to cause a denial of service (infinite request loop) via a URL that specifies a zero wait time for message refreshing.
Why it matters now
EPSS 0.01919 80th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:moodle:moodle:1.9.1:*:*:*:*:*:*:* | 1.9.1 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.2:*:*:*:*:*:*:* | 1.9.2 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.3:*:*:*:*:*:*:* | 1.9.3 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.4:*:*:*:*:*:*:* | 1.9.4 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.5:*:*:*:*:*:*:* | 1.9.5 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.6:*:*:*:*:*:*:* | 1.9.6 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.7:*:*:*:*:*:*:* | 1.9.7 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.8:*:*:*:*:*:*:* | 1.9.8 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.9:*:*:*:*:*:*:* | 1.9.9 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.10:*:*:*:*:*:*:* | 1.9.10 | Vulnerable | Moodle |
- cpe:2.3:a:moodle:moodle:1.9.1:*:*:*:*:*:*:* Versions 1.9.1 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.2:*:*:*:*:*:*:* Versions 1.9.2 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.3:*:*:*:*:*:*:* Versions 1.9.3 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.4:*:*:*:*:*:*:* Versions 1.9.4 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.5:*:*:*:*:*:*:* Versions 1.9.5 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.6:*:*:*:*:*:*:* Versions 1.9.6 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.7:*:*:*:*:*:*:* Versions 1.9.7 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.8:*:*:*:*:*:*:* Versions 1.9.8 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.9:*:*:*:*:*:*:* Versions 1.9.9 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.10:*:*:*:*:*:*:* Versions 1.9.10 Vulnerable ·Moodle
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2011-4305
- 2026-10-03 Alias added: GHSA-6wq9-m5r8-4gq4
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-2011-4305 · CVE Program
- CVE-2011-4305 · NVD
- FIRST EPSS
- GHSA-6wq9-m5r8-4gq4 · GitHub Advisory Database · CC BY 4.0
- CVE-2011-4305 · Red Hat security data · CC BY 4.0
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