CVE-2025-5400 in Blogbook
Summary
by MITRE • 06/01/2025
A vulnerability was found in chaitak-gorai Blogbook up to 92f5cf90f8a7e6566b576fe0952e14e1c6736513. It has been classified as critical. Affected is an unknown function of the file /user.php of the component GET Parameter Handler. The manipulation of the argument u_id leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 11/11/2025
This vulnerability represents a critical sql injection flaw in the chaitak-gorai Blogbook application that affects the GET parameter handler functionality within the /user.php file. The specific technical weakness occurs when processing the u_id argument, which allows malicious actors to manipulate database queries through crafted input parameters. This vulnerability exists in a rolling release development model where version identifiers are not static, making it particularly challenging to determine exact affected versions or remediation timelines. The vulnerability's classification as critical stems from its remote exploitability and the public disclosure of exploitation techniques, which significantly increases the risk to affected systems. The lack of vendor response despite early notification creates additional security concerns for users who may remain unaware of the ongoing threat.
The technical implementation of this sql injection vulnerability occurs within the application's parameter handling mechanism where user-supplied input from the u_id GET parameter is directly incorporated into database queries without proper sanitization or parameterization. This allows attackers to inject malicious sql code that can manipulate the database structure, extract sensitive information, modify data, or potentially gain unauthorized access to backend systems. The vulnerability's exploitation requires only a remote web request with crafted parameters, making it accessible to attackers with minimal technical expertise. The rolling release nature of the product means that security patches may not follow traditional version-based release cycles, complicating the identification of vulnerable installations and the implementation of timely fixes. This approach to software delivery can leave systems exposed for extended periods without clear guidance on when specific vulnerabilities were introduced or resolved.
The operational impact of this vulnerability extends beyond simple data compromise to include potential system escalation and unauthorized access to sensitive user information. Attackers can leverage this sql injection to extract user credentials, personal information, and other database contents that may include administrative access details. The remote exploitability means that attackers do not require physical access to the system or network, enabling widespread exploitation across geographically distributed installations. Organizations using this software face significant risk of data breaches, regulatory compliance violations, and potential legal consequences from unauthorized data access. The public disclosure of the exploit further accelerates the threat landscape, as malicious actors can immediately deploy automated attacks against vulnerable systems. The vendor's lack of response compounds the operational risk by leaving users without official guidance on remediation strategies or security updates.
Mitigation strategies for this vulnerability must be implemented immediately given its critical classification and public exploit availability. Organizations should first identify all installations of the chaitak-gorai Blogbook application and verify their version status through the rolling release identifiers. The immediate implementation of input validation and parameterized queries should be prioritized, ensuring that all user-supplied parameters including u_id are properly sanitized before database interaction. Network-level protections such as web application firewalls and intrusion detection systems should be configured to monitor for exploitation attempts. Access controls should be strengthened to limit database access permissions for the application, implementing the principle of least privilege. Additionally, organizations should consider implementing database query monitoring to detect anomalous sql patterns that may indicate exploitation attempts. The lack of vendor response necessitates independent vulnerability assessment and remediation planning, potentially requiring the implementation of temporary workarounds or the deployment of alternative security measures until official patches are available. This vulnerability aligns with CWE-89 sql injection weaknesses and represents a significant concern under the ATT&CK framework's credential access and execution techniques, particularly emphasizing the importance of input validation and secure coding practices in preventing such critical vulnerabilities.