CVE-2019-12468

CRITICAL

MediaWiki 1.27.0-1.32.1 - Incorrect Access Control via Special:ChangeEmail

Title source: llm

Description

An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.27.0 through 1.32.1. Directly POSTing to Special:ChangeEmail would allow for bypassing re-authentication, allowing for potential account takeover.

References (5)

Core 5

Core References

Third Party Advisory x_refsource_misc

https://lists.wikimedia.org/pipermail/mediawiki-announce/

Third Party Advisory vendor-advisory x_refsource_debian

https://www.debian.org/security/2019/dsa-4460

Mailing List, Third Party Advisory mailing-list x_refsource_bugtraq

https://seclists.org/bugtraq/2019/Jun/12

Patch, Third Party Advisory x_refsource_misc

https://phabricator.wikimedia.org/T197279

Patch, Third Party Advisory x_refsource_confirm

https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html

Scores

CVSS v3 9.8

EPSS 0.0051

EPSS Percentile 66.5%

Attack Vector NETWORK

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

Details

CWE

CWE-306

Status published

Products (3)

debian/debian_linux 9.0

mediawiki/core 1.27.0 - 1.27.6Packagist

mediawiki/mediawiki 1.27.0 - 1.32.1

Published Jul 10, 2019

Tracked Since Feb 18, 2026