CVE-2023-37302

MEDIUM

MediaWiki < 1.39.3 - Cross-Site Scripting via SiteLinksView Badge Title Attribute

Title source: llm
STIX 2.1

Description

An issue was discovered in SiteLinksView.php in Wikibase in MediaWiki through 1.39.3. There is XSS via a crafted badge title attribute. This is also related to lack of escaping in wbTemplate (from resources/wikibase/templates.js) for quotes (which can be in a title attribute).

References (3)

Core 3
Core References
Exploit, Issue Tracking, Patch, Vendor Advisory
https://phabricator.wikimedia.org/T339111

Scores

CVSS v3 6.1
EPSS 0.0172
EPSS Percentile 82.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (2)
mediawiki/mediawiki < 1.39.3
wikibase/wikibase 0Packagist
Published Jun 30, 2023
Tracked Since Feb 18, 2026