Is CVE-2021-4445 actively exploited?

Yes. CVE-2021-4445 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-4445 be exploited remotely?

The attack vector of CVE-2021-4445 has not been classified yet.

What is the CVSS score of CVE-2021-4445?

CVE-2021-4445 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-4445

UNKNOWNCISA KEVIN THE WILD

CVE-2021-4445

Published: April 11, 2026

EPSS:0.13%probability of exploitation in 30 daysPercentile:32.6th

Official Description

The Premium Addons for Elementor plugin for WordPress is vulnerable to Arbitrary Option Updates in versions up to, and including, 4.5.1. This is due to missing capability and nonce checks in the pa_dismiss_admin_notice AJAX action. This makes it possible for authenticated subscriber+ attackers to change arbitrary options with a restricted value of 1 on vulnerable WordPress sites.

NVD Source

Technical Analysis

CVE-2021-4445 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-2021-4445 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.