CVE-2025-31906 in WP Profitshare Plugin
Summary
by MITRE • 04/01/2025
Cross-Site Request Forgery (CSRF) vulnerability in ProfitShare.ro WP Profitshare allows Stored XSS. This issue affects WP Profitshare: from n/a through 1.4.9.
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Analysis
by VulDB Data Team • 04/01/2025
The CVE-2025-31906 vulnerability represents a critical security flaw in the WP Profitshare plugin for WordPress platforms, specifically affecting versions ranging from the initial release through 1.4.9. This vulnerability combines elements of Cross-Site Request Forgery and Stored Cross-Site Scripting, creating a particularly dangerous attack vector that can compromise user sessions and execute malicious code within the context of affected websites. The issue stems from inadequate input validation and output escaping mechanisms within the plugin's handling of user-supplied data, particularly in forms and administrative interfaces where users can submit content that gets stored and later rendered without proper sanitization.
The technical implementation of this vulnerability occurs when malicious actors exploit the CSRF protection mechanisms that are either absent or insufficiently implemented in the plugin's administrative interfaces. When users with administrative privileges interact with the plugin's forms or submission points, the system fails to properly validate the authenticity of requests or sanitize the data being processed. This allows attackers to craft malicious requests that, when executed by authenticated users, can store malicious scripts within the plugin's database or configuration files. The stored XSS component manifests when these malicious scripts are subsequently rendered in the user interface, executing in the context of the victim's browser session with the privileges of the authenticated user. The vulnerability specifically impacts the plugin's handling of form submissions, user-generated content processing, and administrative data management functions.
The operational impact of CVE-2025-31906 extends beyond simple data theft or defacement, as it enables attackers to perform privilege escalation attacks and maintain persistent access to compromised WordPress installations. An attacker who successfully exploits this vulnerability can execute arbitrary JavaScript code within the browser context of authenticated users, potentially stealing session cookies, modifying website content, redirecting users to malicious sites, or even installing backdoors for continued access. The stored nature of the XSS vulnerability means that the malicious payload remains active even after the initial attack, continuously affecting any user who accesses the compromised plugin functionality. This vulnerability aligns with CWE-352, which specifically addresses Cross-Site Request Forgery issues, and CWE-79, which covers Cross-Site Scripting vulnerabilities, demonstrating the dual nature of the security flaw. The attack patterns associated with this vulnerability map directly to ATT&CK techniques such as T1059.007 for script execution and T1566 for credential access through social engineering or session hijacking.
Organizations utilizing WP Profitshare plugin versions 1.4.9 and earlier should immediately implement mitigation strategies including plugin updates to the latest available version, which should contain proper CSRF token implementation and input sanitization measures. The recommended approach includes enabling proper Content Security Policy headers, implementing robust input validation and output encoding mechanisms, and conducting thorough security audits of all plugin installations. Additionally, administrators should consider implementing web application firewalls to detect and block suspicious requests, while ensuring that only necessary users have administrative privileges within the WordPress environment. The vulnerability highlights the critical importance of maintaining up-to-date security practices in WordPress environments, as the combination of CSRF and XSS flaws creates a particularly dangerous attack surface that can lead to complete system compromise. Regular security monitoring and vulnerability assessment procedures should be implemented to identify similar issues across other installed plugins and themes, as this vulnerability pattern is commonly found in poorly secured WordPress components.