CVE-2025-52736
📋 TL;DR
This Cross-site Scripting (XSS) vulnerability in the Finale Lite WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. It affects WordPress sites using the Finale Lite plugin version 2.20.0 or earlier. Attackers can steal session cookies, redirect users, or perform actions on their behalf.
💻 Affected Systems
- Finale Lite - WooCommerce Sales Countdown Timer & Discount
⚠️ 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 the WordPress site, install backdoors, deface the site, or steal customer data from WooCommerce stores.
Likely Case
Attackers steal user session cookies, redirect users to malicious sites, or perform limited actions within the user's permissions.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching users, preventing exploitation.
🎯 Exploit Status
Reflected XSS typically requires tricking users into clicking a malicious link. No authentication is required to exploit this vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: > 2.20.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Finale Lite' and check for updates. 4. Update to version 2.20.1 or later. 5. Verify the update completed successfully.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the Finale Lite plugin until patched
wp plugin deactivate finale-woocommerce-sales-countdown-timer-discount
Web Application Firewall
allImplement WAF rules to block XSS payloads
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Use browser security features like HttpOnly cookies and SameSite attributes
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Finale Lite version number. If version is 2.20.0 or lower, you are vulnerable.Check Version:
wp plugin get finale-woocommerce-sales-countdown-timer-discount --field=versionVerify Fix Applied:
After updating, verify the plugin version shows 2.20.1 or higher in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript code in parameters
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests with suspicious parameters containing <script>, javascript:, or encoded payloads
SIEM Query:
source="*access.log*" AND ("<script" OR "javascript:" OR "%3Cscript" OR "%22%3E%3Cscript")