CVE-2025-32640 in One Click Accessibility Plugin
Summary
by MITRE • 04/09/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Elementor One Click Accessibility allows Stored XSS. This issue affects One Click Accessibility: from n/a through 3.1.0.
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Analysis
by VulDB Data Team • 04/09/2025
The vulnerability CVE-2025-32640 represents a critical cross-site scripting flaw in the Elementor One Click Accessibility plugin, specifically within the web page generation process where input validation and sanitization mechanisms fail to properly neutralize user-supplied data. This stored XSS vulnerability enables attackers to inject malicious scripts into web pages that are subsequently executed by other users, creating a persistent security risk for websites utilizing this plugin. The vulnerability exists in versions ranging from unspecified initial release through version 3.1.0, indicating a broad affected scope that likely impacts numerous websites relying on Elementor's accessibility features.
The technical implementation of this flaw occurs during the web page generation phase where the plugin fails to adequately sanitize or escape user input before incorporating it into dynamically generated HTML content. This improper neutralization creates an environment where malicious scripts can be stored within the application's database or configuration files and then executed whenever affected pages are rendered. The stored nature of this vulnerability means that the malicious payload persists even after the initial injection, making it particularly dangerous as it can affect multiple users over extended periods. The vulnerability maps directly to CWE-79 - Improper Neutralization of Input During Web Page Generation, which specifically addresses the failure to properly escape or sanitize data that will be included in web page content.
From an operational impact perspective, this vulnerability exposes websites to significant risks including session hijacking, credential theft, data exfiltration, and potential full system compromise. Attackers can exploit this vulnerability to execute malicious scripts in the context of authenticated users' browsers, potentially gaining access to sensitive administrative functions or user data. The impact extends beyond individual user sessions to potentially affect entire website infrastructures, especially when combined with other vulnerabilities or attack vectors. The stored nature of the XSS payload means that even users who are not actively browsing the affected pages may be compromised when they encounter the malicious content during normal website navigation.
Security mitigations for CVE-2025-32640 should prioritize immediate remediation through plugin updates to versions that address the XSS vulnerability, as recommended by the plugin developers and security vendors. Organizations should implement comprehensive input validation and output encoding mechanisms across all web applications, particularly focusing on user-generated content handling. The implementation of Content Security Policy (CSP) headers can provide additional defense-in-depth measures to prevent execution of unauthorized scripts even if the primary vulnerability is not fully patched. Regular security audits and penetration testing should be conducted to identify similar input validation flaws in other components, with particular attention to the ATT&CK framework's T1059.001 technique related to command and scripting interpreters. Network monitoring and intrusion detection systems should be configured to detect suspicious script injection patterns and anomalous user behavior that may indicate exploitation attempts. Additionally, implementing proper access controls and privilege separation can limit the potential damage from successful exploitation, while regular backup and recovery procedures ensure business continuity in case of compromise.