projectsend up to r1945 Delete /import-orphans.php realpath files[] path traversal

Summaryinfo

A vulnerability described as critical has been identified in projectsend up to r1945. This impacts the function realpath of the file /import-orphans.php of the component Delete Handler. Executing a manipulation of the argument files[] can lead to path traversal. This vulnerability is handled as CVE-2026-4044. The attack can be executed remotely. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in projectsend up to r1945. It has been declared as problematic. This vulnerability affects the function realpath of the file /import-orphans.php of the component Delete Handler. The manipulation of the argument files[] with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect integrity, and availability.

The advisory is shared for download at drive.google.com. This vulnerability was named CVE-2026-4044. The exploitation appears to be easy. The attack can be initiated remotely. The exploitation needs additional levels of successful authentication. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1006.

It is possible to download the exploit at drive.google.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. By approaching the search of inurl:import-orphans.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.

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Productinfo

Type

• Project Management Software

Name

• projectsend

Version

• r1945

CPE 2.3info

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CPE 2.2info

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CVSSv3info

CVSSv2info

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Accepted

• Submit #769528: projectsend 35dfd6f08f7d517709c77ee73e57367141107e6b Path Traversal (by 0xNayel)

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