CVE-2019-12471

MEDIUM

MediaWiki 1.27.0-1.27.5 1.30.0-1.30.1 - Cross-Site Scripting via Non-Existent User JavaScript

Title source: llm

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.

References (4)

Core 4

Core References

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

Third Party Advisory x_refsource_misc

https://phabricator.wikimedia.org/T207603

Patch, Third Party Advisory x_refsource_confirm

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

Scores

CVSS v3 6.1

EPSS 0.0035

EPSS Percentile 57.7%

Attack Vector NETWORK

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

Details

CWE

CWE-79

Status published

Products (3)

debian/debian_linux 9.0

mediawiki/core 1.27.0 - 1.27.6Packagist

mediawiki/mediawiki 1.30.0 - 1.30.2

Published Jul 10, 2019

Tracked Since Feb 18, 2026