PT-2026-54646 · Mediawiki · Charts Extension

Aude + 1 · Published 2026-07-01 · Updated 2026-07-09 · CVE-2026-14358

Positive Technologies (AI Summary)

CVSS v4.0

6.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Mediawiki - Charts Extension versions prior to 1.43.9 Mediawiki - Charts Extension versions prior to 1.44.6 Mediawiki - Charts Extension versions prior to 1.45.4

Description Improper neutralization of input during web page generation allows for Stored Cross-Site Scripting (XSS) within the pie chart tooltip. The issue occurs via the Data:*.tab field title.

Recommendations Update to version 1.43.9 or later. Update to version 1.44.6 or later. Update to version 1.45.4 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-14358

Affected Products

Charts Extension

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2026-14358 · Security Note
• https://osv.dev/vulnerability/CVE-2026-14358 · Vendor Advisory
• https://t.me/cveNotify/184128 · Telegram Post
• https://t.me/CVEtracker/58611 · Telegram Post
• https://t.me/cveNotify/194209 · Telegram Post
• https://phabricator.wikimedia.org/T430548 · Note
• https://gerrit.wikimedia.org/r/q/Ibdaa7c852ae83f562e84dddc9c96ad64e2152210 · Note
• https://t.me/cveNotify/184982 · Telegram Post