CVE-2021-24284 - CVE House

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Status published Critical CVE-2021-24284

Kaswara Modern VC Addons <= 3.0.1 - Unauthenticated Arbitrary File Upload

9.8 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Robin Goodfellow

References

More from SayenThemes

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Kaswara Modern VC Addons <= 3.0.1 - Missing Authorization

Affected Vendor

SayenThemes

View all reports →

Affected Software

Kaswara Modern VC Addons

Vulnerable Versions:

3.0.1

Timeline

Official Publish: May 14th, 2021

Last Modified: August 3rd, 2024

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1505.003 Web Shell

T1105 Ingress Tool Transfer

Command and Control

T1059 Command and Scripting Interpreter

T1565.002 Stored Data Manipulation