CVE-2025-39579
📋 TL;DR
This DOM-based XSS vulnerability in WP Swings Membership For WooCommerce allows attackers to inject malicious scripts into web pages viewed by other users. It affects all WordPress sites using this plugin up to version 2.8.0. Attackers can steal session cookies, redirect users, or perform actions on their behalf.
💻 Affected Systems
- WP Swings Membership For WooCommerce 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
Complete account takeover, session hijacking, credential theft, and unauthorized administrative actions on affected WordPress sites.
Likely Case
Session cookie theft leading to unauthorized access, defacement of user-facing pages, or redirection to malicious sites.
If Mitigated
Limited impact with proper Content Security Policy (CSP) headers and input validation in place.
🎯 Exploit Status
DOM-based XSS typically requires user interaction but can be triggered via crafted links or forms.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.8.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Membership For WooCommerce'. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and manually update.
🔧 Temporary Workarounds
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
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'";
Disable plugin temporarily
linuxDeactivate vulnerable plugin until patched
wp plugin deactivate membership-for-woocommerce
🧯 If You Can't Patch
- Implement strict Content Security Policy headers
- Use web application firewall with XSS protection rules
🔍 How to Verify
Check if Vulnerable:
Check plugin version in WordPress admin under Plugins → Installed PluginsCheck Version:
wp plugin get membership-for-woocommerce --field=versionVerify Fix Applied:
Verify plugin version is 2.8.1 or higher after update📡 Detection & Monitoring
Log Indicators:
- Unusual POST/GET requests with script tags or JavaScript payloads
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing <script> tags or JavaScript in parameters
- Unusual redirects to external domains
SIEM Query:
source="web_logs" AND ("<script" OR "javascript:" OR "onload=" OR "onerror=")