CVE-2024-51663 in Bricksable for Bricks Builder Plugin
Summary
by MITRE • 11/09/2024
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Bricksable Bricksable for Bricks Builder allows Stored XSS.This issue affects Bricksable for Bricks Builder: from n/a through 1.6.59.
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Analysis
by VulDB Data Team • 03/01/2025
The vulnerability CVE-2024-51663 represents a critical security flaw in the Bricksable for Bricks Builder plugin, specifically categorized as an improper neutralization of input during web page generation. This vulnerability manifests as a stored cross-site scripting attack vector that can persistently affect users of the affected plugin version range. The flaw exists within the web page generation process where user-supplied input fails to be properly sanitized or escaped before being rendered in web pages, creating a persistent security risk that can affect multiple users simultaneously. The vulnerability is classified under CWE-79 which specifically addresses cross-site scripting flaws, making it a well-documented and serious threat in web application security.
The technical implementation of this vulnerability occurs when malicious input is accepted through various plugin interfaces and subsequently stored within the application's database or processing mechanisms. When other users access web pages generated by the vulnerable plugin, the stored malicious scripts execute in their browsers, potentially leading to session hijacking, data theft, or unauthorized actions performed on behalf of the victims. This stored nature of the vulnerability means that the malicious code persists even after the initial input submission, making it particularly dangerous as it can affect multiple users over extended periods. The vulnerability affects all versions of the Bricksable for Bricks Builder plugin up to and including version 1.6.59, indicating a widespread impact across a significant portion of the plugin's user base.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to fully compromise user sessions and potentially gain administrative privileges if the affected users have elevated access rights. Attackers can leverage this vulnerability to inject malicious scripts that can steal cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users. The stored nature of the XSS attack means that even users who are not actively interacting with the vulnerable plugin can be affected when they view pages that contain the stored malicious content. This vulnerability directly aligns with ATT&CK technique T1531 which covers "Modify System Image" and can be used to establish persistent access through malicious web content that users encounter during normal browsing activities.
Mitigation strategies for this vulnerability should prioritize immediate remediation through plugin updates to versions that address the XSS flaw. System administrators should implement comprehensive input validation and output encoding mechanisms to prevent malicious content from being stored or executed. Additionally, implementing content security policies can provide an additional layer of protection against script execution, while regular security audits of web applications can help identify similar vulnerabilities. The vulnerability also underscores the importance of following secure coding practices, particularly in web application development where user input is processed and rendered in web pages. Organizations should consider implementing web application firewalls and monitoring for suspicious input patterns to detect potential exploitation attempts. The remediation process should include thorough testing of updated versions to ensure that the XSS vulnerability has been properly addressed while maintaining full functionality of the plugin.