Overview
The cybersecurity landscape has once again been shaken by the revelation of a significant vulnerability in a widely adopted software. The specific software in question this time is WebGeniusLab’s Seofy Core, which has been found to contain a severe CVE-2025-39473 vulnerability. This issue is an Improper Limitation of a Pathname to a Restricted Directory, also known as a ‘Path Traversal’ vulnerability, and it allows for PHP Local File Inclusion. The vulnerability is of significant concern to all organizations and individuals that have deployed the affected versions of Seofy Core, as it may lead to potential system compromise or data leakage.
Vulnerability Summary
CVE ID: CVE-2025-39473
Severity: High (CVSS: 8.1)
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Impact: Potential system compromise and data leakage.
Affected Products
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Product | Affected Versions
WebGeniusLab Seofy Core | Until 1.4.5
How the Exploit Works
The exploit takes advantage of a ‘Path Traversal’ vulnerability in Seofy Core. This vulnerability occurs when the software does not adequately restrict the ability to navigate the file system. As a result, an attacker can read or include files using a specially crafted request, leading to PHP Local File Inclusion (LFI). This means an attacker could potentially access sensitive data or even execute malicious commands on the host system.
Conceptual Example Code
Below is a conceptual example of how this vulnerability might be exploited. In this case, the malicious payload is a path traversal string that attempts to access sensitive system files.
GET /index.php?page=../../../../etc/passwd HTTP/1.1
Host: target.example.com
Content-Type: application/jsonIn this example, the attacker is trying to traverse the file system to access the ‘/etc/passwd’ file, a critical system file that typically contains user account details.
Mitigation Guidance
The primary mitigation method for this vulnerability is to apply the vendor-released patch. WebGeniusLab has released a patch for Seofy Core that addresses this security flaw. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can offer temporary mitigation. These systems can detect and block attempts to exploit this vulnerability, thus providing a layer of protection until the patch can be applied.