What’s Vulnerable › Vulnerabilities

CVE-2021-24284: Kaswara Modern VC Addons <= 3.0.1 - Unauthenticated Arbitrary File Upload

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 42.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-05-14 · updated 2026-06-17
• Weakness: CWE-434

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.

Affected products

• SayenThemes Kaswara Modern VC Addons: through 3.0.1

References

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

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