CVE-2026-14358 — MEDIUM (6.1)

Q: How severe is CVE-2026-14358?

CVE-2026-14358 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-14358?

Check the references section above for vendor advisories and patch information. Affected products include: Mediawiki Mediawiki.

Vulnerability 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.

CVSS Score

6.1

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Mediawiki	Mediawiki	>= 1.43.0, < 1.43.9

Related Weaknesses (CWE)

CWE-79

References

https://gerrit.wikimedia.org/r/q/Ibdaa7c852ae83f562e84dddc9c96ad64e2152210Issue Tracking
https://phabricator.wikimedia.org/T430548Issue Tracking

FAQ

What is CVE-2026-14358?

CVE-2026-14358 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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 iss...

How severe is CVE-2026-14358?

CVE-2026-14358 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-14358?

Check the references section above for vendor advisories and patch information. Affected products include: Mediawiki Mediawiki.