What’s Vulnerable › Vulnerabilities
CVE-2026-104671: TutorStarter < 4.0.4 - Unauthenticated User Registration Bypass via AJAX
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-08 · updated 2026-10-08
- Weakness: CWE-862
Description
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.
Affected products
- TutorStarter: before 4.0.4 — fixed in 4.0.4
How to fix
Upgrade to a fixed version: TutorStarter 4.0.4. Check the vendor advisory for mitigations.
References
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