CVE-2025-48232 in Addons for Beaver Builder Plugin
Summary
by MITRE • 05/19/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Xpro Xpro Addons For Beaver Builder – Lite allows Stored XSS. This issue affects Xpro Addons For Beaver Builder – Lite: from n/a through 1.5.5.
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Analysis
by VulDB Data Team • 05/19/2025
The vulnerability CVE-2025-48232 represents a critical cross-site scripting flaw classified under CWE-79 which specifically targets the improper neutralization of input during web page generation. This vulnerability exists within the Xpro Xpro Addons For Beaver Builder – Lite plugin, a popular WordPress extension that enhances the functionality of the Beaver Builder page builder. The flaw allows attackers to execute malicious scripts in the context of a victim's browser through a stored XSS attack vector, making it particularly dangerous as the malicious code persists and affects all users who view the compromised content.
The technical implementation of this vulnerability stems from inadequate input sanitization and output escaping mechanisms within the plugin's codebase. When users submit content through the plugin's interface, the data fails to undergo proper validation and sanitization before being stored in the database and subsequently rendered on web pages. This creates an environment where malicious scripts can be injected and stored, then executed whenever other users access pages containing the compromised content. The vulnerability affects all versions from the initial release through version 1.5.5, indicating a long-standing issue that has not been adequately addressed.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with persistent access to victim systems through the stored XSS mechanism. An attacker could inject malicious scripts that steal session cookies, redirect users to phishing sites, deface websites, or even execute arbitrary commands on affected systems. This type of vulnerability aligns with ATT&CK technique T1566.001 which covers spearphishing attachments, as attackers can leverage the XSS vulnerability to deliver malicious payloads that compromise user sessions and establish persistent access. The stored nature of the vulnerability means that the malicious code remains active even after the initial injection, continuously affecting users until the vulnerability is patched or the compromised content is removed.
Mitigation strategies for this vulnerability should focus on immediate patching of the affected plugin to version 1.5.6 or later, where the XSS flaws have been addressed through proper input validation and output escaping mechanisms. System administrators should implement comprehensive monitoring of user-generated content and establish regular security audits of installed plugins. Additionally, implementing Content Security Policy (CSP) headers can provide an additional layer of protection against XSS attacks by restricting script execution from unauthorized sources. Organizations should also consider implementing web application firewalls and regular security scanning to detect and prevent exploitation attempts. The vulnerability highlights the critical importance of input validation and output escaping practices in web application development, as recommended by OWASP Top 10 and the CWE guidelines for preventing cross-site scripting vulnerabilities.