projectSend r1605 File Extension upload.process.php unrestricted upload

Summaryinfo

A vulnerability identified as critical has been detected in projectSend r1605. Affected is an unknown function of the file upload.process.php of the component File Extension Handler. The manipulation leads to unrestricted upload. This vulnerability is uniquely identified as CVE-2023-53980. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in projectSend r1605. It has been rated as critical. This issue affects some unknown functionality of the file upload.process.php of the component File Extension Handler. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was disclosed by Mirabbas Ağalarov as 51238. It is possible to read the advisory at exploit-db.com. The identification of this vulnerability is CVE-2023-53980 since 12/20/2025. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:upload.process.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (51238) and EUVD (EUVD-2023-60242). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Project Management Software

Name

• projectSend

Version

• r1605

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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