CVE-2025-53564
📋 TL;DR
This reflected cross-site scripting (XSS) vulnerability in the LambertGroup HTML5 Radio Player WPBakery Page Builder Addon allows attackers to inject malicious scripts into web pages. When users visit specially crafted URLs containing malicious input, their browsers execute attacker-controlled JavaScript in the context of the vulnerable site. This affects WordPress sites using the vulnerable plugin versions.
💻 Affected Systems
- LambertGroup HTML5 Radio Player - WPBakery Page Builder Addon
⚠️ 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 admin accounts, deface websites, or redirect users to malicious sites, potentially leading to complete site compromise.
Likely Case
Attackers steal user session cookies or credentials, perform actions on behalf of authenticated users, or redirect users to phishing/malware sites.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
Reflected XSS typically requires user interaction (clicking malicious link) but can be easily weaponized via phishing or malicious ads.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 2.5
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'HTML5 Radio Player - WPBakery Page Builder Addon'. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and remove plugin until patched version is released.
🔧 Temporary Workarounds
Input Validation Web Application Firewall Rule
allConfigure WAF to block requests containing suspicious script patterns targeting the vulnerable endpoint
WAF-specific configuration required
Content Security Policy (CSP)
allImplement strict CSP headers to mitigate XSS impact by restricting script execution sources
Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to .htaccess or web server configuration
🧯 If You Can't Patch
- Disable or remove the HTML5 Radio Player plugin completely
- Implement strict input validation and output encoding at application level
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'HTML5 Radio Player - WPBakery Page Builder Addon' version 2.5 or earlierCheck Version:
wp plugin list --name='HTML5 Radio Player - WPBakery Page Builder Addon' --field=versionVerify Fix Applied:
Verify plugin version is greater than 2.5 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript code to plugin endpoints
- Multiple failed XSS attempts from same IP
Network Indicators:
- HTTP requests with suspicious parameters containing <script>, javascript:, or encoded payloads
SIEM Query:
source="web_logs" AND (uri_path="*radio*" OR uri_path="*player*") AND (http_query="*<script>*" OR http_query="*javascript:*")