Is CVE-2021-4366 in the CISA KEV catalog?

No. CVE-2021-4366 is not currently on the CISA Known Exploited Vulnerabilities list.

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

CVE-2021-4366 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2021-4366?

CVE-2021-4366 has an EPSS score of 0.64% (46th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-4366?

Upgrade pwa for wp \& amp to 1.7.33 or later.

CVE & CISA-KEV Catalog

CVE-2021-4366

MEDIUM

6.3

CVSS v3

NVD

Description

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.

CWE-862Missing Authorization

How to fix

Remediation Available

pwa for wp \& ampNVD

Affected:< 1.7.33Fixed in:1.7.33CVE-2021-4366derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.64%probability of exploitation in 30 days

46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

Exploit1

blog.nintechnet.com

Third-Party Advisory2

Related Vulnerabilities

Other CWE-862 (Missing Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-39226	Critical	9.8	100%	KEV	Fix
CVE-2022-0543	Critical	10.0	100%	KEV	Fix
CVE-2021-21978	Critical	9.8	99%	-	Fix
CVE-2023-52163	High	8.8	96%	KEV	-
CVE-2022-1329	High	8.8	93%	-	-
CVE-2023-6875	Critical	9.8	90%	-	-

Embed a live status badge for CVE-2021-4366

Markdown

[![CVE-2021-4366](https://tridentstack.com/cve/badge/CVE-2021-4366.svg)](https://tridentstack.com/cve/CVE-2021-4366)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-4366"><img src="https://tridentstack.com/cve/badge/CVE-2021-4366.svg" alt="CVE-2021-4366"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-08.