SeedDMS 5.1.22 – Known security issues (public record):
The Trigger: Because the application failed to validate the file extension properly, it accepted the .php file. The attacker then identifies the document's ID and accesses it directly via the URL (e.g., /data/1048576/[ID]/1.php). seeddms 5.1.22 exploit
Monitor the Data Directory: Check your /data/ folder for unexpected PHP files. In a standard setup, this folder should only contain intended document types (PDFs, DOCX, etc.). SeedDMS 5
This article provides a comprehensive analysis of the most severe exploit vectors in SeedDMS 5.1.22, including a pre-authentication SQL injection and an authenticated Remote Code Execution (RCE) chain. We will examine how these vulnerabilities work, how to reproduce them in a lab environment, and crucially, how to patch and harden your deployment. Upload a reverse shell (bash, Python, or PHP)
Exploit Description:
The vulnerability exists in the out/out.html.php file, which does not properly validate user input. An attacker can exploit this vulnerability by sending a crafted request to the server, allowing them to include arbitrary files and execute PHP code.