CVE-2023-53980

ProjectSend r1605 Remote Code Execution via File Extension Manipulation

Published Dec 22, 2025 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:projectsend:projectsend:r1720:*:*:*:*:*:*:*
Type Values Removed Values Added
CPEs cpe:2.3:a:projectsend:projectsend:r1605:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Projectsend
Projectsend projectsend
Vendors & Products Projectsend
Projectsend projectsend
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title ProjectSend r1605 Remote Code Execution via File Extension Manipulation
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Mar 5, 2026, 12:03 PM
Reserved
Dec 20, 2025, 4:31 PM
Status
Analyzed
Published
Dec 22, 2025, 10:16 PM
Modified
Jun 17, 2026, 6:46 AM