CVE-2021-4448

Name: CVE-2021-4448
Creator: NVD / NIST
Published: 2024-10-16T07:15:10.98+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.34%

Last modified Jun 17, 2026

CVE-2021-4448 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.34% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.34%

67.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Kaswara Project	Kaswara	<= 3.0.1

References

https://codecanyon.net/item/kaswara-modern-visual-composer-addons/19341477Not Applicable
https://www.wordfence.com/threat-intel/vulnerabilities/id/3bf76527-9a11-4755-992c-02fbc1a79bae?source=cveThird Party Advisory

Timeline

Published: Oct 16, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-4448?

How severe is CVE-2021-4448?

CVE-2021-4448 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.34% probability of exploitation in the next 30 days.

How do I fix CVE-2021-4448?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-4448?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST