Remote Code Execution Vulnerability in ProjectSend by ProjectSend
CVE-2023-53980

8.7HIGH

Key Information:

Vendor

Projectsend

Status
Projectsend
Vendor
CVE Published:
22 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-53980?

ProjectSend r1605 is vulnerable to a remote code execution flaw that allows attackers to exploit the system by uploading malicious files with manipulated file extensions. By targeting the upload.process.php endpoint, an attacker can bypass security measures and upload shell scripts disguised as harmless file types, potentially gaining the ability to execute arbitrary commands on the server. This significant vulnerability poses serious risks to the integrity and confidentiality of the affected system, necessitating immediate attention and remediation.

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Affected Version(s)

projectSend r1605

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-53980 - Proof of Concept

References

https://www.exploit-db.com/exploits/51238
exploit
https://www.projectsend.org/
product
https://www.vulncheck.com/advisories/projectsend-remote-c...
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mirabbas Ağalarov
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