CVE-2026-58519 — MEDIUM (5.4)

Q: How severe is CVE-2026-58519?

CVE-2026-58519 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-58519?

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

Vulnerability Description

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS. This issue affects Mediawiki - Cargo Extension: from * before 3.9.1.

CVSS Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Mediawiki	Cargo	< 3.9.1

Related Weaknesses (CWE)

CWE-79

References

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1277612Issue Tracking
https://phabricator.wikimedia.org/T424140Issue Tracking
https://phabricator.wikimedia.org/T424140Issue Tracking

FAQ

What is CVE-2026-58519?

CVE-2026-58519 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS. This issue affects Mediaw...

How severe is CVE-2026-58519?

CVE-2026-58519 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-58519?

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