Is CVE-2021-4448 actively exploited?

Yes. CVE-2021-4448 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-4448 be exploited remotely?

The attack vector of CVE-2021-4448 has not been classified yet.

What is the CVSS score of CVE-2021-4448?

CVE-2021-4448 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-4448

UNKNOWNCISA KEVIN THE WILD

CVE-2021-4448

Published: April 11, 2026

EPSS:48.90%probability of exploitation in 30 daysPercentile:97.8th

Official Description

The Kaswara Modern VC Addons plugin for WordPress is vulnerable to authorization bypass in versions up to, and including, 3.0.1 due to insufficient capability checking on various AJAX actions. This makes it possible for unauthenticated attackers to perform a wide variety of unauthorized actions such as importing data, uploading arbitrary files, deleting arbitrary files, and more.

NVD Source

Technical Analysis

CVE-2021-4448 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-2021-4448 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.