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Vulnerability record · CVE-2021-24284 · published 14 May 2021

CVE-2021-24284: Kaswara project kaswara unrestricted file upload vulnerability

KKaswara Project · Kaswara

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.

9.8 CVSS 3.1 Critical EPSS 42% · top 1.3% CWE-434 · Unrestricted file upload
9.8CVSS 3.1 base score, v2 7.5
42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 4 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/167743/WordPress-Kaswara-Modern-WPBakery-Page-Builder-3.0.1-File-Upload.html ExploitThird Party AdvisoryVDB Entry
https://codecanyon.net/item/kaswara-modern-visual-composer-addons/19341477 ProductThird Party Advisory
https://wpscan.com/vulnerability/8d66e338-a88f-4610-8d12-43e8be2da8c5 ExploitThird Party Advisory
http://packetstormsecurity.com/files/167743/WordPress-Kaswara-Modern-WPBakery-Page-Builder-3.0.1-File-Upload.html ExploitThird Party AdvisoryVDB Entry
https://codecanyon.net/item/kaswara-modern-visual-composer-addons/19341477 ProductThird Party Advisory
https://wpscan.com/vulnerability/8d66e338-a88f-4610-8d12-43e8be2da8c5 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-24284), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.