CVE-2025-4334 PoC — Simple User Registration <= 6.3 - Unauthenticated Privilege Escalation

Source

https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-4334.yaml

Associated Vulnerability

Title: Simple User Registration <= 6.3 - Unauthenticated Privilege Escalation (CVE-2025-4334)
Description:The Simple User Registration plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 6.3. This is due to insufficient restrictions on user meta values that can be supplied during registration. This makes it possible for unauthenticated attackers to register as an administrator.

Description

The Simple User Registration plugin ≤ 6.3 is vulnerable to privilege escalation. It lacks proper restrictions on user meta values during registration. Unauthenticated attackers can exploit this to register as administrators.

File Snapshot

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