Unrated severityOSV Advisory· Published Dec 22, 2025· Updated Mar 5, 2026
ProjectSend r1605 Remote Code Execution via File Extension Manipulation
CVE-2023-53980
Description
ProjectSend r1605 contains a remote code execution vulnerability that allows attackers to upload malicious files by manipulating file extensions. Attackers can upload shell scripts with disguised extensions through the upload.process.php endpoint to execute arbitrary commands on the server.
Affected products
1- Range: Stable, r1053, r1070, …
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- www.exploit-db.com/exploits/51238mitreexploit
- www.vulncheck.com/advisories/projectsend-remote-code-execution-via-file-extension-manipulationmitrethird-party-advisory
- www.projectsend.orgmitreproduct
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