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TI-2025-41237 Aliases CVE-2025-67478GHSA-rg4c-x95m-9m4f

Wrong E-Mail address composition for usernames with a comma and Umlauts in it like "Döe, Jähn"

Priority LOW 9Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files includes/Mail/UserMailer.Php. This issue affects CheckUser: from * before 1.39.14, 1.43.4, 1.44.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00349 28th percentileScored 2026-11-07
Fix Fixed CheckUser (Wikimedia Foundation): 1.39.14, 1.43.4, 1.44.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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 FoundationCheckUserbefore 1.39.14, 1.43.4, 1.44.11.39.14, 1.43.4, 1.44.1Patch availableCNA
  • CheckUser VendorWikimedia Foundation Affected before 1.39.14, 1.43.4, 1.44.1 Fixed in 1.39.14, 1.43.4, 1.44.1 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:mediawiki:checkuser:*:*:*:*:*:mediawiki:*:*1.39.0 to before 1.39.14; 1.43.0 to before 1.43.4Vulnerablemediawiki
cpe:2.3:a:mediawiki:checkuser:1.44.0:*:*:*:*:mediawiki:*:*1.44.0Vulnerablemediawiki
  • cpe:2.3:a:mediawiki:checkuser:*:*:*:*:*:mediawiki:*:* Versions 1.39.0 to before 1.39.14; 1.43.0 to before 1.43.4 Vulnerable ·mediawiki
  • cpe:2.3:a:mediawiki:checkuser:1.44.0:*:*:*:*:mediawiki:*:* Versions 1.44.0 Vulnerable ·mediawiki

Remediation

  • Fix · CNA CheckUser (Wikimedia Foundation) Fixed in 1.39.14, 1.43.4, 1.44.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-67478
  2. 2026-10-03 Alias added: GHSA-rg4c-x95m-9m4f

References

Other 1

  • 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

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