CVE-2021-4448: Kaswara Modern VC Addons <= 3.0.1 - Missing Authorization

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-10-16 · updated 2026-06-17
Weakness: CWE-862

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.

Affected products

SayenThemes Kaswara Modern VC Addons: through 3.0.1

References

https://codecanyon.net/item/kaswara-modern-visual-composer-addons/19341477
https://www.wordfence.com/threat-intel/vulnerabilities/id/3bf76527-9a11-4755-992c-02fbc1a79bae?source=cve

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