What is the CVSS score of CVE-2021-4366?

CVE-2021-4366 has a CVSS 3.1 base score of 6.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L. EPSS exploitation probability: 0.0%.

Is there a public PoC exploit available for CVE-2021-4366?

Yes, a public proof-of-concept exploit is available for CVE-2021-4366. Prioritise patching immediately. EPSS: 0.0%.

Pwa For Wp Amp CVE-2021-4366

MEDIUM

Missing Authorization (CWE-862)

2023-06-07 security@wordfence.com

WordPress Authentication Bypass Pwa For Wp Amp

6.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

PoC Detected

Apr 08, 2026 - 19:17 vuln.today

Public exploit code

CVE Published

Jun 07, 2023 - 02:15 nvd

MEDIUM 6.3

DescriptionCVE.org

The PWA for WP & AMP plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the pwaforwp_update_features_options function in versions up to, and including, 1.7.32. This makes it possible for authenticated attackers to change the otherwise restricted settings within the plugin.

AnalysisAI

The PWA for WP & AMP plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the pwaforwp_update_features_options function in versions up to, and including,. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. The PWA for WP & AMP plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the pwaforwp_update_features_options function in versions up to, and including, 1.7.32. This makes it possible for authenticated attackers to change the otherwise restricted settings within the plugin. Affected products include: Magazine3 Pwa For Wp \& Amp.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.