CVE-2025-4334
Simple User Registration <= 6.3 - Unauthenticated Privilege Escalation
criticalImproper Privilege Management
9.8
CVSS Score
9.8
CVSS Score
critical
Severity
6.4
Patched in
29d
Time to patch
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.
CVSS Vector Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HAttack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
High
Confidentiality
High
Integrity
High
Availability
Technical Details
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