MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 uses weak random numbers for…
Priority LOW 26CWE-264Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 uses weak random numbers for password reset tokens, which makes it easier for remote attackers to change the passwords of arbitrary users.
Why it matters now
EPSS 0.01593 75th 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 · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mediawiki:mediawiki:1.17:*:*:*:*:*:*:* | 1.17 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.17:beta_1:*:*:*:*:*:* | 1.17 beta_1 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.17.0:*:*:*:*:*:*:* | 1.17.0 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.17.0:rc1:*:*:*:*:*:* | 1.17.0 rc1 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.17.1:*:*:*:*:*:*:* | 1.17.1 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.17.2:*:*:*:*:*:*:* | 1.17.2 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.18:*:*:*:*:*:*:* | 1.18 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.18:beta_1:*:*:*:*:*:* | 1.18 beta_1 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.18.0:*:*:*:*:*:*:* | 1.18.0 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.18.0:rc1:*:*:*:*:*:* | 1.18.0 rc1 | Vulnerable | mediawiki |
- cpe:2.3:a:mediawiki:mediawiki:1.17:*:*:*:*:*:*:* Versions 1.17 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.17:beta_1:*:*:*:*:*:* Versions 1.17 beta_1 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.17.0:*:*:*:*:*:*:* Versions 1.17.0 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.17.0:rc1:*:*:*:*:*:* Versions 1.17.0 rc1 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.17.1:*:*:*:*:*:*:* Versions 1.17.1 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.17.2:*:*:*:*:*:*:* Versions 1.17.2 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.18:*:*:*:*:*:*:* Versions 1.18 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.18:beta_1:*:*:*:*:*:* Versions 1.18 beta_1 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.18.0:*:*:*:*:*:*:* Versions 1.18.0 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.18.0:rc1:*:*:*:*:*:* Versions 1.18.0 rc1 Vulnerable ·mediawiki
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2012-1581
- 2026-10-03 Alias added: GHSA-fpjv-7xrc-6c45
References
Advisory 2
More Mediawiki vulnerabilities
- TI-2023-18933 An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. CVSS 3.1CRITICAL 9.8
- TI-2023-13576 An issue was discovered in MediaWiki before 1.35.10, 1.36.x through 1.38.x before 1.38.6… CVSS 3.1CRITICAL 9.8
- TI-2023-03312 Stored XSS leads to privilege escalation in MediaWiki v1.40.0 CVSS 3.1CRITICAL 9.0
- TI-2026-42109 Cross-site request forgery in Wikimedia Foundation Mediawiki - RedirectManager Extension CVSS 4.0MEDIUM 6.9
- TI-2024-22822 An issue was discovered in includes/CommentFormatter/CommentParser.php in MediaWiki… CVSS 3.1HIGH 7.4
- TI-2023-18935 An issue was discovered in the ProofreadPage (aka Proofread Page) extension for MediaWiki… CVSS 3.1MEDIUM 5.3
Sources
- CVE-2012-1581 · CVE Program
- CVE-2012-1581 · NVD
- FIRST EPSS
- GHSA-fpjv-7xrc-6c45 · GitHub Advisory Database · CC BY 4.0
- CVE-2012-1581 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences