CVE-2019-12471 Information

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.

CVSS Vector

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

Reference

https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html https://phabricator.wikimedia.org/T207603 https://seclists.org/bugtraq/2019/Jun/12 https://www.debian.org/security/2019/dsa-4460

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1