CVE-2026-58519
Stored XSS through Cargo's map format
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.
INFO
Published Date :
July 1, 2026, 3:59 a.m.
Last Modified :
July 1, 2026, 3:59 a.m.
Remotely Exploit :
Yes !
Source :
wikimedia-foundation
Affected Products
The following products are affected by CVE-2026-58519
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | c4f26cc8-17ff-4c99-b5e2-38fc1793eacc | ||||
| CVSS 4.0 | MEDIUM | c4f26cc8-17ff-4c99-b5e2-38fc1793eacc |
Solution
- Update the Mediawiki Cargo Extension to version 3.9.1 or later.
- Apply vendor-supplied patches for the extension.
- Sanitize all user-supplied input before rendering.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-58519 vulnerability anywhere in the article.