CVE-2019-19910

MEDIUM

MediaWiki MinervaNeue Skin - Stored Cross-Site Scripting via IMG HTML Attributes

Title source: llm
STIX 2.1

Description

The MinervaNeue Skin in MediaWiki from 2019-11-05 to 2019-12-13 (1.35 and/or 1.34) mishandles certain HTML attributes, as demonstrated by IMG onmouseover= (impact is XSS) and IMG src=http (impact is disclosing the client's IP address). This can occur within a talk page topical header that is viewed within a mobile (MobileFrontend) context.

References (2)

Core 2
Core References
Third Party Advisory x_refsource_misc
https://phabricator.wikimedia.org/T240487

Scores

CVSS v3 6.1
EPSS 0.0035
EPSS Percentile 57.8%
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 (2)
mediawiki/mediawiki 1.34
mediawiki/mediawiki 1.35
Published Dec 19, 2019
Tracked Since Feb 18, 2026