CVE-2023-53921

CRITICAL 9.8

SitemagicCMS 4.4.3 Remote Code Execution via Unrestricted File Upload

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-434
Vendor	sitemagic
Product	sitemagiccms
Published	Dec 17, 2025
Last Updated	Apr 7, 2026

Stay Ahead of the Next One

Get instant alerts for sitemagic sitemagiccms

Be the first to know when new critical vulnerabilities affecting sitemagic sitemagiccms are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Sitemagic / SitemagicCMS

4.4.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/51464 sitemagic.org: https://sitemagic.org/Download.html vulncheck.com: https://www.vulncheck.com/advisories/sitemagiccms-remote-code-execution-via-unrestricted-file-upload

Credits

Mirabbas Ağalarov