CVE-2019-12471

MEDIUM6.1EPSS 0.35%

MediaWiki Cross-site Scripting (XSS)

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

Also known as:GHSA-2rm7-xxx8-35jhDEBIAN-CVE-2019-12471

Description

Wikimedia MediaWiki 1.30.0 through 1.32.1 has XSS. Loading user JavaScript from a non-existent account allows anyone to create the account, and perform XSS on users loading that script. 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/core>= 1.27.0, < 1.27.6

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM6.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References (8)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2019-12471
ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2019-12471
PATCHhttps://github.com/wikimedia/mediawiki
WEBhttps://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-12471.yaml
WEBhttps://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
WEBhttps://phabricator.wikimedia.org/T207603
WEBhttps://seclists.org/bugtraq/2019/Jun/12
WEBhttps://www.debian.org/security/2019/dsa-4460