CVE-2025-32068: Revoking authorization of OAuth2 consumer does not invalidate refresh tokens

10.0 CVSS

Description

Incorrect Authorization vulnerability in The Wikimedia Foundation Mediawiki - OAuth Extension allows Authentication Bypass.This issue affects Mediawiki - OAuth Extension: from 1.39 through 1.43.

Classification

CVE ID: CVE-2025-32068

CVSS Base Severity: CRITICAL

CVSS Base Score: 10.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Problem Types

CWE-863 Incorrect Authorization

Affected Products

Vendor: The Wikimedia Foundation

Product: Mediawiki - OAuth Extension

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.11% (probability of being exploited)

EPSS Percentile: 30.18% (scored less or equal to compared to others)

EPSS Date: 2025-05-10 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-32068
https://phabricator.wikimedia.org/T336113
https://gerrit.wikimedia.org/r/q/I27b61af2cdfb862a42432e7a87b863033d540cfc

Timeline