CVE-2025-27343
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages viewed by other users through the WooCommerce HTML5 Video plugin. It affects WordPress sites using this plugin for video content in their WooCommerce stores. Attackers can steal session cookies, redirect users, or perform actions on their behalf.
💻 Affected Systems
- WooCommerce HTML5 Video WordPress 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
Attackers steal administrator session cookies, gain full control of WordPress site, install backdoors, steal customer data, and deface the website.
Likely Case
Attackers steal user session cookies, redirect to phishing sites, or perform unauthorized actions in user accounts.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching users.
🎯 Exploit Status
Reflected XSS typically requires user interaction but is easily weaponized in phishing campaigns.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.7.11 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Go to Plugins > Installed Plugins. 3. Find 'WooCommerce HTML5 Video'. 4. Click 'Update Now' if available. 5. If no update appears, download version 1.7.11+ from WordPress.org and manually update.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate woocommerce-html5-video
Web Application Firewall
allDeploy WAF with XSS protection rules to block malicious payloads.
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Enable XSS filters in web server configuration (e.g., mod_security for Apache)
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for WooCommerce HTML5 Video version 1.7.10 or earlier.Check Version:
wp plugin get woocommerce-html5-video --field=versionVerify Fix Applied:
Confirm plugin version is 1.7.11 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST parameters containing script tags or JavaScript in URLs
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests with suspicious parameters containing <script>, javascript:, or encoded payloads
SIEM Query:
web.url:*<script* OR web.url:*javascript:* AND dest.app:"wordpress"