CVE-2025-32189 in BWD Elementor Addons Plugin
Summary
by MITRE • 04/04/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Best WP Developer BWD Elementor Addons allows DOM-Based XSS. This issue affects BWD Elementor Addons: from n/a through 4.3.20.
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Analysis
by VulDB Data Team • 04/04/2025
This vulnerability represents a critical cross-site scripting flaw that specifically targets the DOM-based execution environment within the Best WP Developer BWD Elementor Addons plugin. The issue manifests when the plugin fails to properly sanitize user input during the generation of web pages, creating an avenue for malicious actors to inject malicious scripts into the browser's Document Object Model. The vulnerability affects versions ranging from an unspecified lower bound through version 4.3.20, indicating a potentially wide attack surface across multiple iterations of the plugin. The improper neutralization of input occurs during the web page generation process, where user-supplied data is directly incorporated into the DOM without adequate validation or encoding mechanisms, allowing attackers to execute arbitrary JavaScript code within the context of the victim's browser.
The technical exploitation of this DOM-based XSS vulnerability leverages the fact that the plugin does not adequately escape or validate input parameters that are subsequently used to construct dynamic web content. When a user visits a page containing malicious input, the browser executes the injected script within the legitimate context of the website, potentially leading to session hijacking, data theft, or redirection to malicious sites. This type of vulnerability falls under CWE-79 which specifically addresses Cross-Site Scripting, and more precisely aligns with the DOM-based XSS category as defined in CWE-93, where the vulnerability exists in the client-side code rather than server-side processing. The ATT&CK framework categorizes this under T1566.001 - Phishing: Spearphishing Attachment, as attackers can craft malicious payloads that appear legitimate to users while exploiting the underlying vulnerability in the plugin's input handling.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to bypass traditional security measures that might protect against server-side injection attacks. An attacker could potentially gain access to user sessions, steal sensitive cookies, or modify the content of the webpage in real-time. The vulnerability is particularly dangerous because it operates within the DOM environment, meaning that even if server-side input validation is in place, client-side code execution can still occur. Organizations using the affected plugin versions face significant risk of unauthorized access, data breaches, and potential compromise of user accounts. The attack vector typically involves social engineering to get users to visit a malicious page or interact with a compromised element within the website, making this vulnerability particularly challenging to defend against without proper input sanitization and output encoding measures.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms throughout the plugin's codebase. The recommended approach involves applying strict sanitization to all user-provided input before it is processed or rendered in the browser environment, utilizing proper HTML escaping techniques and implementing Content Security Policy headers to limit script execution. Security patches should include updating the plugin to a version that addresses the input neutralization flaw, while developers should implement proper validation routines that prevent the injection of malicious scripts into the DOM. Organizations should also consider implementing web application firewalls that can detect and block suspicious script injection patterns, along with regular security audits of third-party plugins to identify similar vulnerabilities. The vulnerability demonstrates the critical importance of proper input validation in web applications, as highlighted by industry standards such as OWASP Top Ten and NIST guidelines for secure coding practices.