CVE-2025-31771 in Team Members for Elementor Page Builder Plugin
Summary
by MITRE • 04/01/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Sultan Nasir Uddin Team Members for Elementor Page Builder allows Stored XSS. This issue affects Team Members for Elementor Page Builder: from n/a through 1.0.4.
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Analysis
by VulDB Data Team • 04/01/2025
This vulnerability represents a critical cross-site scripting flaw that enables attackers to inject malicious scripts into web pages viewed by other users. The weakness specifically resides in the Team Members for Elementor Page Builder plugin, where input validation and sanitization mechanisms fail to properly neutralize user-supplied data during web page generation processes. The vulnerability allows for stored cross-site scripting attacks, meaning that malicious payloads can be permanently stored on the server and executed whenever affected pages are accessed by unsuspecting users. This type of vulnerability falls under the CWE-79 category of Cross-site Scripting, which is classified as a fundamental web application security weakness that permits attackers to execute scripts in the context of other users' browsers.
The technical implementation of this flaw occurs within the plugin's handling of user-generated content for team member profiles and related data displayed through the Elementor page builder interface. When administrators or users input data containing malicious script code into fields that are subsequently rendered on web pages, the plugin fails to adequately sanitize or escape these inputs before they are stored and subsequently served to other users. This creates a persistent attack vector where malicious scripts can execute in the context of the victim's browser session, potentially leading to session hijacking, credential theft, or other malicious activities. The vulnerability affects all versions up to and including 1.0.4, indicating that the developers have not yet released a patch to address this security gap.
The operational impact of this vulnerability is significant as it can enable attackers to compromise user sessions and potentially gain unauthorized access to sensitive information. An attacker could craft malicious input that includes JavaScript code within team member profile fields, which would then be executed whenever other users view the team member listings or related pages. This stored nature of the vulnerability means that the attack persists even after the initial injection, making it particularly dangerous as it can affect multiple users over time. The vulnerability is particularly concerning in environments where the plugin is used to display employee information or team member data, as it could allow attackers to steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users.
Mitigation strategies should focus on immediate patching of the affected plugin to the latest version that contains security fixes. Administrators should also implement additional input validation and output escaping mechanisms at the application level, ensuring that all user-supplied data is properly sanitized before being stored or rendered. The implementation of Content Security Policy headers can provide an additional layer of protection against script execution, while regular security audits and input validation testing should be conducted to identify similar vulnerabilities. Organizations should also consider implementing web application firewalls to detect and block malicious script injections, and maintain comprehensive monitoring to identify potential exploitation attempts. This vulnerability aligns with ATT&CK technique T1566.001 for initial access through malicious inputs, and T1059.007 for command and control through script execution, making it a critical target for immediate remediation efforts.