CVE-2019-15150

HIGHNVD 8.88.8—

8.8

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.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 51.9%
KEV: Not listed

Published

August 19, 2019

Last Modified

November 21, 2024

References (12)

cve@mitrehttp://packetstormsecurity.com/files/154140/MediaWiki-OAuth2-Client-0.3-Cross-Site-Request-Forgery.html
cve@mitrehttp://seclists.org/fulldisclosure/2019/Aug/25
cve@mitrehttp://www.openwall.com/lists/oss-security/2019/08/19/1
cve@mitrehttps://github.com/Schine/MW-OAuth2Client/commit/6a4fe4500ddd72ad4e826d9d63b2d69512bd10d1
cve@mitrehttps://github.com/Schine/MW-OAuth2Client/releases/tag/v0.4
cve@mitrehttps://seclists.org/bugtraq/2019/Aug/32
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/154140/MediaWiki-OAuth2-Client-0.3-Cross-Site-Request-Forgery.html
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2019/Aug/25
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2019/08/19/1
af854a3a-2127-422b-91ae-364da2661108https://github.com/Schine/MW-OAuth2Client/commit/6a4fe4500ddd72ad4e826d9d63b2d69512bd10d1
af854a3a-2127-422b-91ae-364da2661108https://github.com/Schine/MW-OAuth2Client/releases/tag/v0.4
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/bugtraq/2019/Aug/32

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-352Cross-Site Request Forgery (CSRF)

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 22:45 UTCepss_batch
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2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 15:47 UTCEG score recompute
2026-05-27 15:47 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch

Frequently asked(5)

What is CVE-2019-15150?

CVE-2019-15150 is a high vulnerability published on August 19, 2019. 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.

When was CVE-2019-15150 disclosed?

CVE-2019-15150 was first published in the National Vulnerability Database on August 19, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-15150 actively exploited?

CVE-2019-15150 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 51.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-15150?

CVE-2019-15150 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2019-15150?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-15150, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2019-15150

📅 Published

🔄 Last Modified

🔗 References (12)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-15150?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (12)

Frequently asked(5)

Related CVEs(same CWE)