CVE-2026-14358 Affecting mediawiki-1.45 package, versions <1.45.4-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-MINIMOSLATEST-MEDIAWIKI145-17943149
- published11 Jul 2026
- disclosed1 Jul 2026
Introduced: 1 Jul 2026
CVE-2026-14358 (opens in a new tab)How to fix?
Upgrade Minimos:latest mediawiki-1.45 to version 1.45.4-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mediawiki-1.45 package and not the mediawiki-1.45 package as distributed by Minimos.
See How to fix? for Minimos:latest relevant fixed versions and status.
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.
References
- https://www.cve.org/CVERecord?id=CVE-2026-14358
- https://github.com/advisories/GHSA-f5m8-q8gq-mjpw
- https://osv.dev/vulnerability/MINI-96xg-hx5h-g2w5
- https://osv.dev/vulnerability/CVE-2026-14358
- https://gerrit.wikimedia.org/r/q/Ibdaa7c852ae83f562e84dddc9c96ad64e2152210
- https://phabricator.wikimedia.org/T430548