CSRF in Schine.games Mw-Oauth2client

CVE-2019-15150

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.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.012 (64.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (x_refsource_CONFIRM, Patch)
  • cve@mitre.org (x_refsource_CONFIRM, Release Notes)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
  • cve@mitre.org (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
  • cve@mitre.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2019-15150?
CVE-2019-15150 is a high-severity vulnerability in Schine.games Mw-Oauth2client, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2019-08-19.
How severe is CVE-2019-15150?
High severity. CVSS v3 base score is 8.8 out of 10.