6.9
MEDIUM CVSS 4.0
CVE-2026-14358
Stored XSS in Wikimedia Chart pie tooltip via Data:*.tab field title
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.

INFO

Published Date :

July 1, 2026, 6:48 p.m.

Last Modified :

July 1, 2026, 6:48 p.m.

Remotely Exploit :

Yes !

Source :

wikimedia-foundation
Affected Products

The following products are affected by CVE-2026-14358 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 MEDIUM c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
CVSS 4.0 MEDIUM c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Solution
Update the Mediawiki Charts Extension to a patched version to prevent cross-site scripting.
  • Update the Charts Extension to version 1.43.9 or later.
  • Update the Charts Extension to version 1.44.6 or later.
  • Update the Charts Extension to version 1.45.4 or later.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-14358 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.