Seeddms 5.1.22 Exploit [top] May 2026
This blog post details the exploitation of SeedDMS 5.1.22 , focusing on an Authenticated Remote Command Execution (RCE)
RCE (Remote Command Execution):
Similar to CVE-2019-12744 , which allows authenticated users with file upload privileges to execute PHP code by uploading a malicious file. seeddms 5.1.22 exploit
In a real-world audit, this exploit allowed full access to HR records, financial PDFs, and even the SeedDMS user table (password hashes, unsalted in older versions). This blog post details the exploitation of SeedDMS 5
Summary:
A critical vulnerability has been discovered in SeedDMS version 5.1.22, a popular open-source document management system. This vulnerability allows an attacker to execute arbitrary code on the server, potentially leading to a complete takeover of the system. CVSS score : Check if the exploit has
- CVSS score: Check if the exploit has been assigned a Common Vulnerability Scoring System (CVSS) score. This score helps evaluate the severity of the vulnerability.
- Exploitability: Assess how easy it is to exploit the vulnerability. Consider factors like authentication requirements, user interaction, and technical expertise needed.
- Impact: Evaluate the potential impact of a successful exploit. This could include data breaches, system compromise, or denial-of-service (DoS) attacks.
Create a minimal PHP web shell (e.g., evil.php ):
GET /seeddms51/op/op.RemoveDocument.php?documentid=1 AND (SELECT 1234 FROM (SELECT(SLEEP(5)))a) HTTP/1.1 Host: target
Audit your settings.xml or configuration files to ensure that only specific, safe file extensions (like .pdf , .docx , .png ) are allowed. Block execution-prone extensions like .php , .phtml , .exe , and .sh . 4. Use Least Privilege