CVE-2019-12467

MEDIUM5.3EPSS 0.29%

MediaWiki Incorrect Access Control vulnerability

Published: 5/24/2022Modified: 4/28/2026

Also known as:GHSA-6vfg-8ppv-h5hgDEBIAN-CVE-2019-12467

Description

MediaWiki through 1.32.1 has Incorrect Access Control (issue 1 of 3). A spammer can use Special:ChangeEmail to send out spam with no rate limiting or ability to block them. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.

Affected packages (2)

Debian/mediawikifrom 0, < 1:1.31.2-1
Packagist/mediawiki/corefrom 0, < 1.27.6

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM5.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References (8)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2019-12467
ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2019-12467
PATCHhttps://github.com/wikimedia/mediawiki
WEBhttps://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-12467.yaml
WEBhttps://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
WEBhttps://phabricator.wikimedia.org/T209794
WEBhttps://seclists.org/bugtraq/2019/Jun/12
WEBhttps://www.debian.org/security/2019/dsa-4460