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TI-2026-69505 Aliases CVE-2026-104671

Missing authorization in TutorStarter lets visitors create accounts

Priority LOW 29CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

The TutorStarter WordPress theme before 4.0.4 does not respect the site's user registration setting in one of its AJAX registration handlers. Unauthenticated visitors can create WordPress user accounts even when user registration is disabled. The flaw is a missing authorization check (CWE-862), and an unauthenticated remote attacker can exploit it without user interaction. A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

The TutorStarter WordPress theme before 4.0.4 does not respect the site's user registration setting in one of its AJAX registration handlers, allowing unauthenticated visitors to create WordPress user accounts even when user registration is disabled.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00176 7th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed TutorStarter (Unknown): 4.0.4

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
UnknownTutorStarterbefore 4.0.44.0.4Patch availableCNA
  • TutorStarter VendorUnknown Affected before 4.0.4 Fixed in 4.0.4 Patch available CNA

Remediation

Update TutorStarter to version 4.0.4, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA TutorStarter (Unknown) Fixed in 4.0.4

Timeline

  1. 2026-10-08 Threatist record created from CVE-2026-104671

References

Sources

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