CVE-2023-53980

moderate-risk
Published 2025-12-22

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.

Do I need to act?

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0.40% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Projectsend

References (4)

Exploit https://www.exploit-db.com/exploits/51238
Product https://www.projectsend.org/
Third Party Advisory https://www.vulncheck.com/advisories/projectsend-remote-code-execution-via-file-...
Exploit https://www.exploit-db.com/exploits/51238
39
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal