Published: 19/08/2019 Updated: 08/03/2023

CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6

CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8

VMScore: 605

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

In the OAuth2 Client extension prior to 0.4 for MediaWiki, a CSRF vulnerability exists due to the OAuth2 state parameter not being checked in the callback function.

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schine.games mw-oauth2client

Full Disclosure mailing list archives   By Date By Thread </form>    [CVE-2019-15150] CSRF in MediaWiki extension OAuth2 Client 03   ...

CWE-352 https://github.com/Schine/MW-OAuth2Client/commit/6a4fe4500ddd72ad4e826d9d63b2d69512bd10d1 https://github.com/Schine/MW-OAuth2Client/releases/tag/v0.4 http://www.openwall.com/lists/oss-security/2019/08/19/1 https://seclists.org/bugtraq/2019/Aug/32 http://packetstormsecurity.com/files/154140/MediaWiki-OAuth2-Client-0.3-Cross-Site-Request-Forgery.html http://seclists.org/fulldisclosure/2019/Aug/25 https://nvd.nist.gov http://seclists.org/fulldisclosure/2019/Aug/25

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CVE-2019-15150

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