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TI-2026-28723 Aliases CVE-2026-39841GHSA-2mg7-w9r8-29mw

Stored XSS through list fields on Cargo's page values and Special:CargoTables

Priority MEDIUM 61CWE-80Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-80.

Summary

Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.This issue affects Mediawiki - Cargo Extension: before 3.8.7.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00164 5th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Mediawiki - Cargo Extension (Wikimedia Foundation): 3.8.7

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
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 3.8.73.8.7Patch availableCNA
  • Mediawiki - Cargo Extension VendorWikimedia Foundation Affected before 3.8.7 Fixed in 3.8.7 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mediawiki:cargo:*:*:*:*:*:*:*:*before 3.8.7Vulnerablemediawiki
  • cpe:2.3:a:mediawiki:cargo:*:*:*:*:*:*:*:* Versions before 3.8.7 Vulnerable ·mediawiki

Remediation

  • Fix · CNA Mediawiki - Cargo Extension (Wikimedia Foundation) Fixed in 3.8.7

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Wikimedia Foundation Mediawiki - Cargo Extension 3.8.7

    4 records Highest priority Priority MEDIUM 4 MEDIUM

    Other records, highest priority first

    • TI-2026-28721 Stored XSS through URLs in Cargo's map formatPriority MEDIUM 61
    • TI-2026-28719 Stored XSS through the dynamic table format in CargoPriority MEDIUM 61
    • TI-2026-28722 CSS injection in multiple Cargo display formatsPriority MEDIUM 56

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-39841
  2. 2026-10-03 Alias added: GHSA-2mg7-w9r8-29mw

References

  • 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-2026-42110 Stored XSS through Cargo's map format CVSS 4.0MEDIUM 6.9
See all 255 →

Sources