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CVE-2025-4334

Simple User Registration <= 6.3 - Unauthenticated Privilege Escalation

Published: Jun 26, 2025Updated: Jul 9, 2025 Sources: CVE List NVDCWE-269
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
2.1%
Top 21.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Am I actually vulnerable?2 Nuclei templates available — see how to check your systems. How to verify

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

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-269

Affected Products

Simple User Registrationnmedia
On-prem
Web & CMS Plugins / wordpress-plugin
simple user registrationnajeebmedia
On-prem
Web & CMS Plugins / wordpress-plugin
nmediacommercialWeb & CMS Plugins
najeebmediaindividual-devWeb & CMS Plugins

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/c211e0c0-3086-43d2-853c-489f9c42b0ab?source=cve
wordfence.com
https://plugins.trac.wordpress.org/browser/wp-registration/trunk/inc/classes/class.register.php#L135
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/changeset/3327946/
plugins.trac.wordpress.org

Timeline

Published
Jun 26, 2025
Last Updated
Jul 9, 2025

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