CVE-2025-52784 in Bluff Post Plugin
Summary
by MITRE • 06/20/2025
Cross-Site Request Forgery (CSRF) vulnerability in hideoguchi Bluff Post allows Stored XSS. This issue affects Bluff Post: from n/a through 1.1.1.
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Analysis
by VulDB Data Team • 06/20/2025
The CVE-2025-52784 vulnerability represents a critical security flaw in the hideoguchi Bluff Post web application that demonstrates the dangerous intersection of cross-site request forgery and stored cross-site scripting vulnerabilities. This vulnerability exists within the Bluff Post application version range from an unspecified starting point through version 1.1.1, creating a significant attack surface that could compromise user sessions and enable malicious code execution. The vulnerability stems from inadequate validation and sanitization of user input within the application's request handling mechanisms, particularly in how the system processes and stores user-submitted data that can later be executed in the context of other users' browsers.
The technical flaw manifests when an authenticated user visits a malicious page or interacts with crafted content that triggers a CSRF attack against the vulnerable Bluff Post application. The attacker can manipulate the application's behavior to store malicious script payloads within the application's data storage mechanisms, which then get executed whenever other users access the affected content. This stored XSS vulnerability operates through the application's failure to properly sanitize and validate user input before persisting it to the database or other storage mechanisms. The vulnerability is classified under CWE-352, which specifically addresses Cross-Site Request Forgery, while the stored XSS component falls under CWE-79, representing Cross-Site Scripting. The attack chain typically involves an attacker crafting a malicious request that, when processed by the vulnerable application, stores a malicious payload that executes in the context of other users' browsers, potentially leading to session hijacking, data theft, or further exploitation.
The operational impact of this vulnerability extends beyond simple data corruption or unauthorized access, as it creates a persistent threat vector that can compromise multiple users over time. Attackers can leverage this vulnerability to execute arbitrary JavaScript code in the context of authenticated users, potentially stealing session cookies, modifying application data, or redirecting users to malicious sites. The vulnerability's persistence through stored payloads means that even if users are aware of the initial compromise, the malicious code continues to execute whenever affected content is accessed, creating a long-term threat to user security. This vulnerability can be particularly damaging in environments where the application handles sensitive user data or administrative functions, as it could enable attackers to escalate privileges, access restricted resources, or perform unauthorized actions on behalf of legitimate users.
Mitigation strategies for CVE-2025-52784 should focus on implementing robust input validation and output encoding mechanisms throughout the application's data flow. The primary defense involves implementing proper CSRF token validation for all state-changing operations, ensuring that every request contains a valid, unpredictable token that verifies the user's intent. Additionally, comprehensive input sanitization should be applied to all user-submitted data before storage, utilizing libraries designed to neutralize potentially malicious content while preserving legitimate functionality. The application should implement Content Security Policy headers to limit the execution of inline scripts and restrict the sources from which scripts can be loaded. Security patches should be prioritized to upgrade to versions that address this vulnerability, and organizations should conduct thorough security testing including penetration testing and code reviews to identify similar issues within the application's codebase. The mitigation approach should align with ATT&CK framework techniques such as T1071.004 for application layer protocol, T1566 for credential access, and T1584 for exploitation of vulnerabilities, ensuring comprehensive coverage against the various attack vectors that could be leveraged through this specific vulnerability.