CVE-2025-26870
📋 TL;DR
This DOM-based Cross-Site Scripting (XSS) vulnerability in the JetEngine WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability affects all WordPress sites running JetEngine versions up to 3.6.4.1. Attackers can steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users.
💻 Affected Systems
- WordPress JetEngine Plugin
⚠️ 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
Complete account takeover of administrators, data theft, website defacement, and installation of backdoors or malware on visitors' systems.
Likely Case
Session hijacking of logged-in users, credential theft, and unauthorized actions performed in the context of authenticated users.
If Mitigated
Limited impact with proper Content Security Policy (CSP) headers, input validation, and output encoding in place.
🎯 Exploit Status
DOM-based XSS vulnerabilities are typically easy to exploit once the attack vector is identified. No public proof-of-concept is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.6.5 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find JetEngine and click 'Update Now'. 4. Verify update to version 3.6.5 or later.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable JetEngine plugin until patched
wp plugin deactivate jet-engine
Content Security Policy Implementation
allAdd CSP headers to mitigate XSS impact
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self'";
🧯 If You Can't Patch
- Implement Web Application Firewall (WAF) with XSS protection rules
- Disable user input fields that trigger the DOM manipulation or implement strict input validation
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for JetEngine versionCheck Version:
wp plugin get jet-engine --field=versionVerify Fix Applied:
Verify JetEngine version is 3.6.5 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual JavaScript payloads in request parameters
- Multiple failed XSS attempts in web server logs
- Suspicious DOM manipulation patterns
Network Indicators:
- Malicious script tags in HTTP requests
- Unusual redirect patterns to external domains
- Suspicious JavaScript execution patterns
SIEM Query:
source="web_logs" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=") AND uri_path="/wp-admin/admin-ajax.php"