CVE-2026-14358

MEDIUM

Stored XSS in Wikimedia Chart pie tooltip via Data:*.tab field title

Title source: cna

Description

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Charts Extension allows Cross-Site Scripting (XSS). This issue affects Mediawiki - Charts Extension: from * before 1.43.9,1.44.6,1.45.4.

References (2)

Core 2

Core References

https://phabricator.wikimedia.org/T430548

https://gerrit.wikimedia.org/r/q/Ibdaa7c852ae83f562e84dddc9c96ad64e2152210

Scores

CVSS v3 6.1

EPSS 0.0018

EPSS Percentile 7.2%

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 none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (2)

mediawiki/mediawiki 1.43.0 - 1.43.9

The Wikimedia Foundation/Mediawiki - Charts Extension < 1.43.9,1.44.6,1.45.4

Published Jul 01, 2026

Tracked Since Jul 02, 2026