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The CVE-2025-13576 vulnerability in code-projects Blog Site 1.0 arises from inadequate authorization checks within the /admin.php file. Specific functions in this administrative endpoint fail to validate user privileges before executing actions. Attackers can remotely exploit this by sending HTTP requests to /admin.php without proper authentication tokens. By manipulating parameters, unauthorized users bypass access controls and perform admin tasks. The flaw likely involves missing session verification or role-based checks in PHP code. Multiple endpoints under /admin.php are affected, allowing various operations like content modification or user management. Public exploit availability increases risk, enabling widespread attacks. The vulnerability is classified as improper authorization, where the system does not enforce intended security policies. Remote exploitation requires only network access, with low attack complexity. The CVSS 4.0 vector indicates low impacts on confidentiality, integrity, and availability. Attackers with low privileges can exploit without user interaction, leading to unauthorized data changes or site disruption. The core issue is the absence of robust permission validation in critical administrative functions.
Platform: code-projects Blog Site
Version: 1.0
Vulnerability: Improper Authorization
Severity: Medium
date: 11/23/2025
Prediction: Patch by 12/15/2025
What Undercode Say:
Analytics:
Bash command: curl -v http://target/admin.php
Code snippet: if(!$_SESSION[‘admin’]) { }
Bash command: wget –post-data ‘action=delete’ http://target/admin.php
Code snippet: $user->role != ‘admin’
how Exploit:
Send crafted POST requests to /admin.php endpoints without valid admin sessions. Use tools like curl or browsers to manipulate parameters like ‘id’ or ‘action’. Exploit public scripts to bypass authorization checks and execute administrative functions remotely.
Protection from this CVE
Update to patched version. Implement strict session validation. Use role-based access controls. Restrict admin.php access via IP whitelisting. Apply input sanitization and authentication middleware.
Impact:
Unauthorized administrative access. Data manipulation or deletion. Site configuration changes. Potential full compromise. Low confidentiality and integrity loss.
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Sources:
Reported By: nvd.nist.gov
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