CVE-2026-14358

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.

CVSS 4.0

6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L

CVSS 3.1

6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-25)

CWE

CWE-79

Published

2026-07-01

Modified

2026-10-25

Record from

the NVD, synced 2026-10-25

Affected

• mediawiki:mediawiki

References

• https://gerrit.wikimedia.org/r/q/Ibdaa7c852ae83f562e84dddc9c96ad64e2152210
• https://phabricator.wikimedia.org/T430548

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