CVE-2026-14358CWE-79

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

Medium · published July 1, 2026

CVSS v4.0
6.9
EPSS
0%
Percentile
21.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
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
EPSS
0.00298 · 21.3th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-07-01T18:48Z
EPSS history
Timeline
  • 01 JUL 18:48Z
    Stored XSS in Wikimedia Chart pie tooltip via Data:*.tab field title
    cvelistv5