CVE-2026-24958: JetElements Elementor DOM-Based XSS Flaw

CVE-2026-24958 Overview

A DOM-Based Cross-Site Scripting (XSS) vulnerability has been identified in Crocoblock JetElements For Elementor, a popular WordPress plugin that extends the Elementor page builder with additional widgets and functionality. This vulnerability allows attackers to inject malicious scripts that execute in victims' browsers through improper neutralization of input during web page generation.

Critical Impact

Attackers with low privileges can exploit this DOM-Based XSS vulnerability to execute arbitrary JavaScript in the context of authenticated users' sessions, potentially leading to session hijacking, credential theft, or unauthorized actions on behalf of victims.

Affected Products

• Crocoblock JetElements For Elementor versions up to and including 2.7.12.2
• WordPress installations using vulnerable JetElements plugin versions
• Websites built with Elementor page builder utilizing JetElements widgets

Discovery Timeline

• 2026-02-03 - CVE-2026-24958 published to NVD
• 2026-02-03 - Last updated in NVD database

Technical Details for CVE-2026-24958

Vulnerability Analysis

This vulnerability stems from improper input validation and sanitization within the JetElements plugin for WordPress. DOM-Based XSS differs from traditional reflected or stored XSS in that the malicious payload is executed as a result of modifying the DOM environment in the victim's browser. The attack occurs entirely on the client-side, where JavaScript code processes untrusted data from sources like the URL fragment or DOM properties without proper encoding.

The vulnerability requires authentication with low privileges, meaning an attacker needs at least a subscriber or contributor-level account to exploit this flaw. User interaction is required as the victim must visit a page containing the malicious payload. Due to the changed scope characteristic, the vulnerability can impact resources beyond the vulnerable component, potentially affecting the broader WordPress installation.

Root Cause

The root cause is classified as CWE-79: Improper Neutralization of Input During Web Page Generation. The JetElements plugin fails to properly sanitize user-controllable input before incorporating it into the Document Object Model (DOM). This allows specially crafted input to be interpreted as executable JavaScript code rather than inert data.

When the plugin processes certain widget parameters or user inputs, it does not adequately escape or encode special characters that have meaning in JavaScript or HTML contexts. This oversight enables attackers to break out of the intended data context and inject arbitrary script content.

Attack Vector

The attack leverages the network-accessible nature of WordPress websites. An authenticated attacker with minimal privileges can craft malicious input that, when processed by vulnerable JetElements widgets, executes arbitrary JavaScript in the browsers of users who view the affected page.

The exploitation flow typically involves:

1. An attacker with low-level WordPress credentials identifies a vulnerable JetElements widget
2. The attacker crafts input containing malicious JavaScript payloads
3. When other users (including administrators) view pages containing this content, the DOM manipulation triggers script execution
4. The malicious script runs in the victim's browser context, enabling session theft, phishing attacks, or further exploitation

Due to the DOM-Based nature, the malicious payload may not appear in server logs, making detection more challenging through traditional server-side monitoring alone.

Detection Methods for CVE-2026-24958

Indicators of Compromise

• Unexpected JavaScript execution or browser console errors on pages using JetElements widgets
• Unusual DOM modifications or script injections visible in browser developer tools
• Reports of phishing overlays or suspicious popups on WordPress pages using JetElements
• Session hijacking incidents targeting WordPress administrators

Detection Strategies

• Implement Content Security Policy (CSP) headers to detect and block unauthorized inline script execution
• Monitor browser-side JavaScript errors and anomalies using client-side security monitoring tools
• Review WordPress audit logs for suspicious activity from low-privilege accounts creating or modifying content
• Perform regular security scans of WordPress installations using specialized WordPress security plugins

Monitoring Recommendations

• Enable WordPress activity logging to track content modifications by authenticated users
• Deploy Web Application Firewall (WAF) rules to detect common XSS payload patterns in requests
• Monitor for unusual outbound connections from client browsers that may indicate data exfiltration
• Conduct periodic code reviews of pages utilizing JetElements widgets for signs of injected content

How to Mitigate CVE-2026-24958

Immediate Actions Required

• Update JetElements For Elementor to a version newer than 2.7.12.2 when a patched version becomes available
• Review and audit all content created using JetElements widgets for potential malicious injections
• Temporarily disable JetElements widgets if immediate update is not possible
• Implement strict Content Security Policy headers to mitigate XSS impact

Patch Information

Monitor the Patchstack XSS Vulnerability Advisory for updated patch availability and detailed remediation guidance from the vendor. Ensure automatic updates are enabled for the JetElements plugin to receive security patches promptly.

Workarounds

• Restrict user registration and minimize accounts with contributor or higher privileges
• Implement a Web Application Firewall with XSS protection rules enabled
• Add Content Security Policy headers with strict script-src directives to prevent inline script execution
• Regularly audit and remove unused or unnecessary WordPress plugins to reduce attack surface

# Add Content Security Policy header in .htaccess (Apache)
<IfModule mod_headers.c>
    Header set Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' https://trusted-cdn.com; object-src 'none';"
</IfModule>