Is CVE-2021-4444 actively exploited?

Yes. CVE-2021-4444 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-4444 be exploited remotely?

The attack vector of CVE-2021-4444 has not been classified yet.

What is the CVSS score of CVE-2021-4444?

CVE-2021-4444 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-4444

UNKNOWNCISA KEVIN THE WILD

CVE-2021-4444

Published: April 11, 2026

EPSS:0.16%probability of exploitation in 30 daysPercentile:37.3th

Official Description

The Product Filter by WooBeWoo plugin for WordPress is vulnerable to authorization bypass in versions up to, and including 1.4.9 due to missing authorization checks on various functions. This makes it possible for unauthenticated attackers to perform unauthorized actions such as creating new filters and injecting malicious javascript into a vulnerable site. This was actively exploited at the time of discovery.

NVD Source

Technical Analysis

CVE-2021-4444 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2021-4444 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.