Unrated severityNVD Advisory· Published Dec 17, 2025· Updated Apr 7, 2026

SitemagicCMS 4.4.3 Remote Code Execution via Unrestricted File Upload

CVE-2023-53921

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

SitemagicCMS/SitemagicCMSllm-create
Range: =4.4.3
Sitemagic/SitemagicCMSv5
Range: 4.4.3

Patches

Vulnerability mechanics

References

www.exploit-db.com/exploits/51464mitreexploit
www.vulncheck.com/advisories/sitemagiccms-remote-code-execution-via-unrestricted-file-uploadmitrethird-party-advisory
sitemagic.org/Download.htmlmitreproduct

News mentions

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