What is the CVSS score of CVE-2021-4360?

CVE-2021-4360 has a CVSS 3.1 base score of 9.9 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Is there a public PoC exploit available for CVE-2021-4360?

Yes, a public proof-of-concept exploit is available for CVE-2021-4360. Prioritise patching immediately. EPSS: 0.1%.

Controlled Admin Access CVE-2021-4360

CRITICAL

Improper Access Control (CWE-284)

2023-06-07 security@wordfence.com

Authentication Bypass Privilege Escalation WordPress Controlled Admin Access

9.9

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.9 CRITICAL

AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

PoC Detected

Apr 08, 2026 - 18:17 vuln.today

Public exploit code

CVE Published

Jun 07, 2023 - 02:15 nvd

CRITICAL 9.9

DescriptionCVE.org

The Controlled Admin Access plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 1.5.5 by not properly restricting access to the configuration page. This makes it possible for attackers to create a new administrator role with unrestricted access.

AnalysisAI

The Controlled Admin Access plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 1.5.5 by not properly restricting access to the configuration page. Rated critical severity (CVSS 9.9), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-284. The Controlled Admin Access plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 1.5.5 by not properly restricting access to the configuration page. This makes it possible for attackers to create a new administrator role with unrestricted access. Affected products include: Wpruby Controlled Admin Access.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.