CVE-2015-8009

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

The MWOAuthDataStore::lookup_token function in Extension:OAuth for MediaWiki 1.25.x before 1.25.3, 1.24.x before 1.24.4, and before 1.23.11 does not properly validate the signature when checking the authorization signature, which allows remote registered Consumers to use another Consumer's credentials by leveraging knowledge of the credentials.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-255

Affected software

No affected versions have been published.

Timeline

Published: Jul 25, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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