CVE-2026-14358 MEDIUM

CVE-2026-14358: Stored XSS in Wikimedia Chart pie tooltip via Data:*.tab field title

Vendor The Wikimedia Foundation
Product Mediawiki - Charts Extension
Weakness CWE-79 · XSS
Published July 1, 2026
Last update July 1, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 1, 2026 CVE published
July 1, 2026 Record updated