CVE-2025-28932 in Insert Code Plugin
Summary
by MITRE • 03/12/2025
Cross-Site Request Forgery (CSRF) vulnerability in BCS Website Solutions Insert Code allows Stored XSS. This issue affects Insert Code: from n/a through 2.4.
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Analysis
by VulDB Data Team • 03/12/2025
The vulnerability identified as CVE-2025-28932 represents a critical security flaw in the BCS Website Solutions Insert Code plugin that combines cross-site request forgery with stored cross-site scripting capabilities. This dual nature of the vulnerability creates a particularly dangerous attack vector that can be exploited by malicious actors to execute arbitrary code within the context of affected websites. The vulnerability exists within the plugin's handling of user input and request processing mechanisms, specifically affecting versions from n/a through 2.4, which indicates a potential lack of proper version identification in the initial reporting but confirms the scope of affected installations.
The technical implementation of this vulnerability stems from inadequate validation and sanitization of user-supplied data within the plugin's administrative interfaces. When users interact with the Insert Code plugin, particularly through form submissions or API endpoints, the system fails to properly verify the authenticity of requests originating from legitimate administrative sessions. This CSRF component allows attackers to trick authenticated users into executing unintended actions without their knowledge or consent. The stored XSS aspect emerges when malicious payloads are successfully injected into the plugin's data storage mechanisms and subsequently rendered when legitimate users access affected pages. The vulnerability directly maps to CWE-352 for the CSRF component and CWE-79 for the stored XSS element, creating a composite risk profile that significantly amplifies the potential impact.
The operational impact of this vulnerability extends beyond simple data theft or defacement, as it enables persistent malicious code execution within targeted websites. Attackers can leverage this vulnerability to inject malicious scripts that persist across user sessions and page refreshes, potentially leading to complete compromise of affected web applications. The stored nature of the XSS means that once a malicious payload is successfully injected, it remains active until manually removed, providing attackers with sustained access to compromised systems. This vulnerability affects not only the immediate website but also potentially impacts all users who interact with the affected plugin, creating a widespread attack surface that can be exploited across multiple user sessions and browser contexts. The vulnerability's presence in the plugin's administrative interfaces suggests that successful exploitation could lead to privilege escalation and complete system compromise.
Mitigation strategies for CVE-2025-28932 must address both the CSRF and stored XSS components through comprehensive security measures. Organizations should immediately upgrade to the latest available version of the BCS Website Solutions Insert Code plugin where the vulnerability has been patched, as this represents the most direct and effective remediation approach. Additionally, implementing proper input validation and output encoding mechanisms within the plugin's codebase is essential to prevent malicious payloads from being stored and executed. The implementation of anti-CSRF tokens and proper session management controls should be enforced throughout the plugin's administrative interfaces to prevent unauthorized request execution. Security professionals should also consider implementing web application firewalls with rules specifically designed to detect and block malicious payload patterns associated with XSS attacks. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other plugins and web applications, as this vulnerability demonstrates the importance of comprehensive security testing across all components of web infrastructure. The ATT&CK framework categorizes this vulnerability under techniques related to server-side request forgery and cross-site scripting, highlighting the need for layered defensive measures that address both client-side and server-side attack vectors.