CVE-2023-53980

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.

CVSS v4.0

8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

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

EPSS

0.92% chance of exploitation in the next 30 days, 58th percentile

Published

2025-12-22

Updated

2026-03-05

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/51238

References

• CVE Record
• NVD entry

Related

• CVE-2023-53979
• CVE-2023-53981
• CVE-2023-53978
• CVE-2023-53982
• CVE-2023-53977
• CVE-2023-53983