CVE-2026-58519 MEDIUM

CVE-2026-58519: Stored XSS through Cargo's map format

Vendor The Wikimedia Foundation
Product Mediawiki - Cargo Extension
Weakness CWE-79 · XSS
Published July 1, 2026
Last update July 1, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS 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/E:A

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 1, 2026 CVE published