CVE-2023-53921 - CVE House
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Status published High CVE-2023-53921

SitemagicCMS 4.4.3 Remote Code Execution via Unrestricted File Upload

Vulnerability Description

SitemagicCMS 4.4.3 contains a remote code execution vulnerability that allows attackers to upload malicious PHP files to the files/images directory. Attackers can upload a .phar file with system command execution payload to compromise the web application and execute arbitrary system commands.

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:

  • Mirabbas Ağalarov

Affected Vendor

Affected Software

SitemagicCMS
Vulnerable Versions:
4.4.3

Timeline

Official Publish: December 17th, 2025
Last Modified: April 7th, 2026
Added to House: July 22nd, 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)