CVE-2025-39448 Overview
CVE-2025-39448 is a stored Cross-Site Scripting (XSS) vulnerability in the Crocoblock JetElements For Elementor WordPress plugin. The flaw affects all versions up to and including 2.7.4.1. It is classified under CWE-79, Improper Neutralization of Input During Web Page Generation. Authenticated attackers with low privileges can inject persistent JavaScript payloads that execute in the browsers of site visitors and administrators.
Critical Impact
Stored XSS enables attackers to steal session cookies, hijack administrator accounts, and pivot to full site compromise when injected scripts execute against privileged users.
Affected Products
- Crocoblock JetElements For Elementor plugin versions through 2.7.4.1
- WordPress sites using vulnerable jet-elements plugin builds
- Elementor-based sites depending on JetElements widgets
Discovery Timeline
- 2025-05-19 - CVE-2025-39448 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-39448
Vulnerability Analysis
The vulnerability resides in how the JetElements For Elementor plugin processes user-controlled input passed to widget attributes. The plugin fails to sanitize or encode input before rendering it into WordPress page output. An authenticated contributor or editor can embed crafted payloads into JetElements widget fields. When another user views the affected page, the browser executes the attacker-controlled JavaScript in the site's origin.
Because the payload is stored persistently in the database, every subsequent page render replays the attack. The scope-change component of the vulnerability reflects that injected scripts execute outside the plugin's trust boundary, affecting the broader WordPress admin and front-end sessions. Successful exploitation compromises confidentiality, integrity, and availability of the affected site.
Root Cause
The root cause is missing output encoding and inadequate input validation on widget parameters. The plugin trusts editor-supplied strings and injects them directly into HTML attributes or DOM contexts. Standard WordPress sanitization helpers such as esc_attr(), esc_html(), or wp_kses_post() are not consistently applied to the affected widget rendering paths.
Attack Vector
Exploitation requires network access to the WordPress admin interface and a low-privileged authenticated account with page or post editing rights. The attacker inserts a malicious payload into a JetElements widget property. Victim interaction, such as loading a page or previewing the widget in the editor, triggers script execution. Details of the specific injection sink are documented in the Patchstack XSS Vulnerability Report.
Detection Methods for CVE-2025-39448
Indicators of Compromise
- Unexpected <script>, onerror, onload, or javascript: strings stored in wp_postmeta or wp_posts rows tied to JetElements widgets
- Outbound requests from browsers loading WordPress pages to unfamiliar third-party domains
- New or modified administrator accounts created shortly after content edits by low-privileged users
- Session token exfiltration patterns in web server access logs
Detection Strategies
- Audit WordPress database content for HTML event handlers and inline script tags within JetElements shortcode parameters
- Enable Content Security Policy (CSP) reporting to surface unauthorized inline script execution
- Review WordPress activity logs for anomalous edits by contributor and author roles
- Correlate browser DOM anomalies with recent content changes on Elementor-built pages
Monitoring Recommendations
- Ingest WordPress audit logs and web server telemetry into a centralized analytics platform for correlation
- Alert on privilege escalations, plugin installations, or role changes that follow content edits
- Monitor outbound HTTP traffic from administrator browser sessions for suspicious beaconing
- Track file integrity changes in the wp-content/plugins/jet-elements/ directory
How to Mitigate CVE-2025-39448
Immediate Actions Required
- Update JetElements For Elementor to a version later than 2.7.4.1 once Crocoblock publishes a patched release
- Restrict contributor, author, and editor roles to trusted users only
- Force password resets and invalidate active sessions for all privileged WordPress accounts
- Review recent post revisions and widget configurations for injected script content
Patch Information
Refer to the Patchstack advisory for the latest fixed version guidance from Crocoblock. Apply the vendor patch through the WordPress plugin update mechanism as soon as it becomes available.
Workarounds
- Deactivate the JetElements For Elementor plugin until a patched release is installed
- Deploy a Web Application Firewall (WAF) rule to block XSS payload patterns targeting JetElements widget parameters
- Enforce a strict Content Security Policy that disallows inline scripts and untrusted script sources
- Limit editing capabilities for the affected widgets through role management plugins
# Configuration example: restrict plugin usage until patched
wp plugin deactivate jet-elements
wp user list --role=contributor --field=user_login
wp role remove contributor edit_posts
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.