CVE-2021-24284

Name: CVE-2021-24284
Creator: NVD / NIST
Published: 2021-05-14T12:15:08.387+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 42.14%

Last modified Jun 17, 2026

CVE-2021-24284 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The Kaswara Modern VC Addons WordPress plugin through 3.0.1 allows unauthenticated arbitrary file upload via the 'uploadFontIcon' AJAX action. The supplied zipfile being unzipped in the wp-content/uploads/kaswara/fonts_icon directory with no checks for malicious files such as PHP.. EPSS estimates a 42.14% chance of exploitation in the next 30 days.

Description

The Kaswara Modern VC Addons WordPress plugin through 3.0.1 allows unauthenticated arbitrary file upload via the 'uploadFontIcon' AJAX action. The supplied zipfile being unzipped in the wp-content/uploads/kaswara/fonts_icon directory with no checks for malicious files such as PHP.

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

42.14%

98.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Kaswara Project	Kaswara	<= 3.0.1

References

http://packetstormsecurity.com/files/167743/WordPress-Kaswara-Modern-WPBakery-Page-Builder-3.0.1-File-Upload.htmlExploit, Third Party Advisory, VDB Entry
https://codecanyon.net/item/kaswara-modern-visual-composer-addons/19341477Product, Third Party Advisory
https://wpscan.com/vulnerability/8d66e338-a88f-4610-8d12-43e8be2da8c5Exploit, Third Party Advisory
http://packetstormsecurity.com/files/167743/WordPress-Kaswara-Modern-WPBakery-Page-Builder-3.0.1-File-Upload.htmlExploit, Third Party Advisory, VDB Entry
https://codecanyon.net/item/kaswara-modern-visual-composer-addons/19341477Product, Third Party Advisory
https://wpscan.com/vulnerability/8d66e338-a88f-4610-8d12-43e8be2da8c5Exploit, Third Party Advisory

Timeline

Published: May 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24284?

How severe is CVE-2021-24284?

CVE-2021-24284 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 42.14% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24284?

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-2021-24284?

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

Scan your code now

Source: NVD / NIST