In the OAuth2 Client extension before 0.4 for MediaWiki, a CSRF vulnerability exists due…
Priority MEDIUM 40CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-352.
Summary
In the OAuth2 Client extension before 0.4 for MediaWiki, a CSRF vulnerability exists due to the OAuth2 state parameter not being checked in the callback function.
Why it matters now
EPSS 0.01164 67th 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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:schine.games:mw-oauth2client:*:*:*:*:*:*:*:* | before 0.4 | Vulnerable | Schine.games |
- cpe:2.3:a:schine.games:mw-oauth2client:*:*:*:*:*:*:*:* Versions before 0.4 Vulnerable ·Schine.games
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-15150
- 2026-10-03 Alias added: GHSA-c7jh-h87c-m66r
References
Advisory 4
- [oss-security] 20190818 [CVE-2019-15150] CSRF in MediaWiki extension OAuth2 Client 0.3
- 20190819 [CVE-2019-15150] CSRF in MediaWiki extension OAuth2 Client 0.3
- http://packetstormsecurity.com/files/154140/MediaWiki-OAuth2-Client-0.3-Cross-Site-Request-Forgery.html
- 20190825 [CVE-2019-15150] CSRF in MediaWiki extension OAuth2 Client 0.3
Sources
- CVE-2019-15150 · CVE Program
- CVE-2019-15150 · NVD
- FIRST EPSS
- GHSA-c7jh-h87c-m66r · GitHub Advisory Database · CC BY 4.0
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