CVE-2021-42046

MEDIUM

MediaWiki < 1.36.2 - Cross-Site Scripting in GlobalWatchlist Extension Messages

Title source: llm
STIX 2.1

Description

An issue was discovered in the GlobalWatchlist extension in MediaWiki through 1.36.2. The rev-deleted-user and ntimes messages were not properly escaped and allowed for users to inject HTML and JavaScript.

References (3)

Core 3
Core References
Vendor Advisory x_refsource_misc
https://phabricator.wikimedia.org/T286385

Scores

CVSS v3 6.1
EPSS 0.0030
EPSS Percentile 53.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
mediawiki/mediawiki < 1.36.2
Published Sep 29, 2022
Tracked Since Feb 18, 2026