Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - WikiHiero Extension allows Stored XSS.This issue affects Mediawiki - WikiHiero Extension: from 1.43.X before 1.43.2.
References (2)
Core 2
Core References
Issue Tracking
https://phabricator.wikimedia.org/T396524
Third Party Advisory
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/wikihiero/+/1166018
Scores
CVSS v3
6.1
EPSS
0.0019
EPSS Percentile
8.8%
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 (1)
Wikimedia Foundation/Mediawiki - WikiHiero Extension
1.43.x - 1.43.2
Published
Jul 07, 2025
Tracked Since
Feb 18, 2026