CVE-2025-49928
📋 TL;DR
This DOM-based Cross-Site Scripting (XSS) vulnerability in the JetWooBuilder WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. It affects all WordPress sites using JetWooBuilder versions up to and including 2.1.20. Attackers can exploit this to steal session cookies, redirect users, or perform actions on their behalf.
💻 Affected Systems
- CrocoBlock JetWooBuilder for WordPress
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator session cookies, take over WordPress sites, install backdoors, deface websites, or redirect users to malicious sites.
Likely Case
Attackers steal user session cookies, perform unauthorized actions on behalf of users, or redirect users to phishing pages.
If Mitigated
With proper Content Security Policy (CSP) headers and input validation, impact is limited to the specific vulnerable component only.
🎯 Exploit Status
Exploitation requires user interaction with malicious content, but no authentication is needed once the attack vector is established.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 2.1.21 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find JetWooBuilder and click 'Update Now'. 4. Verify version is 2.1.21 or higher.
🔧 Temporary Workarounds
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources and mitigate XSS attacks.
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Or add to wp-config.php: header("Content-Security-Policy: default-src 'self'; script-src 'self'");
Disable JetWooBuilder Plugin
WordPressTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate jet-woo-builder
🧯 If You Can't Patch
- Implement strict Content Security Policy headers to limit script execution.
- Use web application firewall (WAF) rules to block XSS payloads.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > JetWooBuilder version. If version is 2.1.20 or lower, you are vulnerable.Check Version:
wp plugin get jet-woo-builder --field=versionVerify Fix Applied:
After updating, verify JetWooBuilder version shows 2.1.21 or higher in WordPress plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual POST/GET requests with script tags or JavaScript payloads to JetWooBuilder endpoints.
- Multiple failed login attempts following suspicious script injections.
Network Indicators:
- HTTP requests containing <script> tags or JavaScript code in parameters.
- Unexpected redirects from JetWooBuilder pages.
SIEM Query:
source="*access.log*" AND ("jet-woo-builder" OR "jetwoobuilder") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")