Vulnerability · Published Dec 17, 2025 · Assigned by VulnCheck
CVE-2023-53921SitemagicCMS 4.4.3 Remote Code Execution via Unrestricted File Upload
Critical 9.8
In plain English
A critical-severity unrestricted file upload in SitemagicCMS from Sitemagic. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.0%top 38.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Sitemagic | SitemagicCMS | 4.4.3 |
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-51464 exploit
- Official Product Webpage product
- VulnCheck Advisory: SitemagicCMS 4.4.3 Remote Code Execution via Unrestricted File Upload third-party-advisory