The CentralAuth extension for MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and…
Priority LOW 37CWE-287Published · 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
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
The CentralAuth extension for MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 caches a valid CentralAuthUser object in the centralauth_User cookie even when a user has not successfully logged in, which allows remote attackers to bypass authentication without a password.
Why it matters now
EPSS 0.02075 81st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 · 21
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:brion_vibber:centralauth_extension:-:-:-:*:-:mediawiki:*:* | not specified by NVD | Vulnerable | Brion Vibber |
| cpe:2.3:a:mediawiki:mediawiki:1.19:*:*:*:*:*:*:* | 1.19 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19:beta_1:*:*:*:*:*:* | 1.19 beta_1 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19:beta_2:*:*:*:*:*:* | 1.19 beta_2 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19.0:*:*:*:*:*:*:* | 1.19.0 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19.1:*:*:*:*:*:*:* | 1.19.1 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19.2:*:*:*:*:*:*:* | 1.19.2 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19.3:*:*:*:*:*:*:* | 1.19.3 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19.4:*:*:*:*:*:*:* | 1.19.4 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19.5:*:*:*:*:*:*:* | 1.19.5 | Vulnerable | mediawiki |
- cpe:2.3:a:brion_vibber:centralauth_extension:-:-:-:*:-:mediawiki:*:* Versions not specified by NVD Vulnerable ·Brion Vibber
- cpe:2.3:a:mediawiki:mediawiki:1.19:*:*:*:*:*:*:* Versions 1.19 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19:beta_1:*:*:*:*:*:* Versions 1.19 beta_1 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19:beta_2:*:*:*:*:*:* Versions 1.19 beta_2 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19.0:*:*:*:*:*:*:* Versions 1.19.0 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19.1:*:*:*:*:*:*:* Versions 1.19.1 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19.2:*:*:*:*:*:*:* Versions 1.19.2 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19.3:*:*:*:*:*:*:* Versions 1.19.3 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19.4:*:*:*:*:*:*:* Versions 1.19.4 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19.5:*:*:*:*:*:*:* Versions 1.19.5 Vulnerable ·mediawiki
Show 11 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mediawiki:mediawiki:1.19.6:*:*:*:*:*:*:* | 1.19.6 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.19.7:*:*:*:*:*:*:* | 1.19.7 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.20:*:*:*:*:*:*:* | 1.20 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.20.1:*:*:*:*:*:*:* | 1.20.1 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.20.2:*:*:*:*:*:*:* | 1.20.2 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.20.3:*:*:*:*:*:*:* | 1.20.3 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.20.4:*:*:*:*:*:*:* | 1.20.4 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.20.5:*:*:*:*:*:*:* | 1.20.5 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.20.6:*:*:*:*:*:*:* | 1.20.6 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.21:*:*:*:*:*:*:* | 1.21 | Vulnerable | mediawiki |
| cpe:2.3:a:mediawiki:mediawiki:1.21.1:*:*:*:*:*:*:* | 1.21.1 | Vulnerable | mediawiki |
- cpe:2.3:a:mediawiki:mediawiki:1.19.6:*:*:*:*:*:*:* Versions 1.19.6 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.19.7:*:*:*:*:*:*:* Versions 1.19.7 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.20:*:*:*:*:*:*:* Versions 1.20 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.20.1:*:*:*:*:*:*:* Versions 1.20.1 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.20.2:*:*:*:*:*:*:* Versions 1.20.2 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.20.3:*:*:*:*:*:*:* Versions 1.20.3 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.20.4:*:*:*:*:*:*:* Versions 1.20.4 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.20.5:*:*:*:*:*:*:* Versions 1.20.5 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.20.6:*:*:*:*:*:*:* Versions 1.20.6 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.21:*:*:*:*:*:*:* Versions 1.21 Vulnerable ·mediawiki
- cpe:2.3:a:mediawiki:mediawiki:1.21.1:*:*:*:*:*:*:* Versions 1.21.1 Vulnerable ·mediawiki
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2013-4304
- 2026-10-03 Alias added: GHSA-537f-m8rq-x6vw
References
Sources
- CVE-2013-4304 · CVE Program
- CVE-2013-4304 · NVD
- FIRST EPSS
- GHSA-537f-m8rq-x6vw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences