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TI-2026-42110 Aliases CVE-2026-58519GHSA-r23x-87q7-xq2f

Stored XSS through Cargo's map format

Priority HIGH 70CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00241 15th percentileScored 2026-11-07
Fix Fixed Mediawiki - Cargo Extension (The Wikimedia Foundation): 3.9.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Wikimedia FoundationMediawiki - Cargo Extensionbefore 3.9.13.9.1Patch availableCNA
  • Mediawiki - Cargo Extension VendorWikimedia Foundation Affected before 3.9.1 Fixed in 3.9.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mediawiki:cargo:*:*:*:*:*:mediawiki:*:*before 3.9.1Vulnerablemediawiki
  • cpe:2.3:a:mediawiki:cargo:*:*:*:*:*:mediawiki:*:* Versions before 3.9.1 Vulnerable ·mediawiki

Remediation

  • Fix · CNA Mediawiki - Cargo Extension (The Wikimedia Foundation) Fixed in 3.9.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-58519
  2. 2026-10-03 Alias added: GHSA-r23x-87q7-xq2f

References

Other 2

  • TI-2025-11006 The compare API module breaks Extension:Lockdown CVSS 4.0CRITICAL 10.0
  • TI-2024-32110 Backticks can allow the usage of not-allowed SQL functions CVSS 4.0HIGH 8.8
  • TI-2026-65500 Unauthenticated SQL injection in UserPageViewTracker via filterusers and ignoreusers parameters CVSS 3.1HIGH 7.5
  • TI-2026-64588 DataTransfer depends on phpspreadsheet version vulnerable to CVE-2026-59933 (XLS/OLE memory exhaustion) CVSS 3.1HIGH 7.5
  • TI-2026-42112 SQLi in Cargo extension via year range filter CVSS 4.0MEDIUM 6.9
  • TI-2026-42109 Cross-site request forgery in Wikimedia Foundation Mediawiki - RedirectManager Extension CVSS 4.0MEDIUM 6.9
See all 255 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences