# Wikimedia Foundation Cargo Extension vulnerabilities

Source: https://junglewise.ai/threats/technologies/cargo-extension  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/cargo-extension.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Wikimedia Foundation Cargo Extension: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-58519, was published on 1 July 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 4 (0 critical, 0 exploited in the wild)

## About Wikimedia Foundation Cargo Extension

Cargo is an extension for MediaWiki that allows for storing and querying data within the wiki's database.

## Latest Wikimedia Foundation Cargo Extension vulnerabilities

- [CVE-2026-58519: Wikimedia MediaWiki Cargo Extension stored XSS in map format](https://junglewise.ai/threats/cve-2026-58519-wikimedia-mediawiki-cargo-extension-stored-xss-in-map-format) (info, CVSS 6.9, published 1 Jul 2026)
- [CVE-2026-39841: Wikimedia MediaWiki Cargo Extension stored XSS in list fields](https://junglewise.ai/threats/cve-2026-39841-wikimedia-mediawiki-cargo-extension-stored-xss-in-list-fields) (medium, CVSS 6.1, published 7 Apr 2026)
- [CVE-2026-39839: Wikimedia MediaWiki Cargo Extension stored XSS in map format](https://junglewise.ai/threats/cve-2026-39839-wikimedia-mediawiki-cargo-extension-stored-xss-in-map-format) (medium, CVSS 6.1, published 7 Apr 2026)
- [CVE-2026-39837: Wikimedia MediaWiki Cargo Extension stored XSS in dynamic table format](https://junglewise.ai/threats/cve-2026-39837-wikimedia-mediawiki-cargo-extension-stored-xss-in-dynamic-table) (medium, CVSS 5.4, published 7 Apr 2026)

## Most severe Wikimedia Foundation Cargo Extension vulnerabilities

- [CVE-2026-39839: Wikimedia MediaWiki Cargo Extension stored XSS in map format](https://junglewise.ai/threats/cve-2026-39839-wikimedia-mediawiki-cargo-extension-stored-xss-in-map-format) (medium, CVSS 6.1, published 7 Apr 2026)
- [CVE-2026-39841: Wikimedia MediaWiki Cargo Extension stored XSS in list fields](https://junglewise.ai/threats/cve-2026-39841-wikimedia-mediawiki-cargo-extension-stored-xss-in-list-fields) (medium, CVSS 6.1, published 7 Apr 2026)
- [CVE-2026-39837: Wikimedia MediaWiki Cargo Extension stored XSS in dynamic table format](https://junglewise.ai/threats/cve-2026-39837-wikimedia-mediawiki-cargo-extension-stored-xss-in-dynamic-table) (medium, CVSS 5.4, published 7 Apr 2026)
- [CVE-2026-58519: Wikimedia MediaWiki Cargo Extension stored XSS in map format](https://junglewise.ai/threats/cve-2026-58519-wikimedia-mediawiki-cargo-extension-stored-xss-in-map-format) (info, CVSS 6.9, published 1 Jul 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Wikimedia Foundation technologies

- [Wikimedia Foundation Mediawiki](https://junglewise.ai/threats/technologies/mediawiki): 21 vulnerabilities
- [Wikimedia Foundation Mediawiki WikiLambda extension](https://junglewise.ai/threats/technologies/mediawiki-wikilambda-extension): 4 vulnerabilities
- [Wikimedia Foundation CheckUser](https://junglewise.ai/threats/technologies/checkuser): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Wikimedia Foundation Cargo Extension vulnerabilities", https://junglewise.ai/threats/technologies/cargo-extension, 9 November 2026.