CVE-2025-6229: Sina Extension Elementor XSS Vulnerability

CVE-2025-6229 Overview

CVE-2025-6229 is a Stored Cross-Site Scripting (XSS) vulnerability affecting the Sina Extension for Elementor plugin for WordPress. The vulnerability exists in the Fancy Text Widget and Countdown Widget DOM attributes due to insufficient input sanitization and output escaping. This security flaw allows authenticated attackers with Contributor-level access or above to inject arbitrary web scripts into pages that execute whenever a user accesses an affected page.

Critical Impact

Authenticated attackers can inject persistent malicious scripts that execute in victims' browsers, potentially leading to session hijacking, credential theft, defacement, or malware distribution to site visitors.

Affected Products

• Sina Extension for Elementor plugin for WordPress versions up to and including 3.7.0
• WordPress installations using the affected plugin versions
• Sites utilizing the Fancy Text Widget or Countdown Widget components

Discovery Timeline

• 2026-03-23 - CVE-2025-6229 published to NVD
• 2026-03-23 - Last updated in NVD database

Technical Details for CVE-2025-6229

Vulnerability Analysis

This Stored Cross-Site Scripting vulnerability (CWE-79) originates from improper handling of user-supplied input within the Sina Extension for Elementor plugin. The Fancy Text Widget and Countdown Widget components fail to properly sanitize DOM attributes before rendering them on the page. When authenticated users with at least Contributor-level permissions create or edit content using these widgets, they can inject malicious JavaScript code that gets stored in the WordPress database and subsequently executed in the browsers of all users who view the affected pages.

The attack surface is network-accessible and requires low privileges to exploit. The vulnerability has a changed scope, meaning the vulnerable component (the plugin) impacts resources beyond its security scope (the victim's browser session). This results in potential confidentiality and integrity impacts on users viewing the injected content.

Root Cause

The root cause of this vulnerability lies in insufficient input sanitization and output escaping within the plugin's widget handling code. Specifically, the JavaScript file sina-widgets.js processes DOM attributes from the Fancy Text Widget and Countdown Widget without adequately filtering or encoding potentially dangerous content. When user-controlled data is rendered into the DOM without proper sanitization, it enables script injection attacks.

Attack Vector

The attack vector is network-based and requires authentication. An attacker needs at least Contributor-level access to the WordPress site to exploit this vulnerability. The attack flow typically involves:

1. The attacker authenticates to WordPress with Contributor or higher privileges
2. The attacker creates or edits a page using the Elementor editor
3. The attacker adds a Fancy Text Widget or Countdown Widget to the page
4. Malicious JavaScript is inserted into the widget's DOM attributes
5. The page is published or saved
6. When any user (including administrators) views the page, the malicious script executes in their browser context

The vulnerability enables persistent XSS attacks, meaning the malicious payload is stored on the server and delivered to all users who access the compromised page. For detailed technical implementation, refer to the WordPress Plugin JavaScript File in the WordPress plugin repository.

Detection Methods for CVE-2025-6229

Indicators of Compromise

• Unexpected JavaScript code in Elementor widget configurations or page content
• Unusual outbound requests from user browsers when viewing WordPress pages
• User reports of unexpected redirects or pop-ups on the website
• Suspicious entries in browser developer console indicating XSS payloads

Detection Strategies

• Review Elementor widget configurations for injected script tags or event handlers in DOM attributes
• Monitor web application logs for unusual POST requests to Elementor page-saving endpoints
• Implement Content Security Policy (CSP) headers and monitor for policy violations
• Audit user activity logs for suspicious content modifications by Contributor-level accounts

Monitoring Recommendations

• Enable WordPress audit logging to track content changes by authenticated users
• Configure web application firewalls (WAF) to detect and alert on XSS patterns in request payloads
• Regularly scan website content for embedded malicious scripts using security plugins
• Monitor for new or modified pages created by users with Contributor access

How to Mitigate CVE-2025-6229

Immediate Actions Required

• Update the Sina Extension for Elementor plugin to a patched version (above 3.7.0) when available
• Review and audit all existing pages that use the Fancy Text Widget or Countdown Widget for malicious content
• Temporarily restrict Contributor-level users from creating or editing pages with affected widgets
• Consider temporarily deactivating the plugin until a security patch is released

Patch Information

Organizations should monitor the official WordPress plugin repository and the Wordfence Vulnerability Report for patch release announcements. Update to the latest version of the Sina Extension for Elementor plugin as soon as a security fix becomes available.

Workarounds

• Implement strict Content Security Policy (CSP) headers to limit the impact of XSS attacks
• Remove Contributor-level access from untrusted users until the vulnerability is patched
• Replace the Fancy Text Widget and Countdown Widget with alternative widgets from trusted sources
• Deploy a Web Application Firewall (WAF) with XSS detection rules to filter malicious payloads

# Example Content Security Policy header configuration for Apache
# Add to .htaccess file in WordPress root directory
Header set Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' *.wordpress.org; style-src 'self' 'unsafe-inline'; img-src 'self' data:; frame-ancestors 'self';"