Stored XSS through list fields on Cargo's page values and Special:CargoTables
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
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Wikimedia Foundation | Mediawiki - Cargo Extension | before 3.8.7 | 3.8.7 | Patch available | CNA |
- Mediawiki - Cargo Extension VendorWikimedia Foundation Affected before 3.8.7 Fixed in 3.8.7 Patch available CNA
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
- 2026-10-02 Threatist record created from CVE-2026-39841
- 2026-10-03 Alias added: GHSA-2mg7-w9r8-29mw
References
More Wikimedia Foundation vulnerabilities
- 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
Sources
- CVE-2026-39841 · CVE Program
- CVE-2026-39841 · NVD
- FIRST EPSS
- GHSA-2mg7-w9r8-29mw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences