CVE-2025-68844
📋 TL;DR
This reflected cross-site scripting (XSS) vulnerability in the Membee Login WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability affects all WordPress sites using the Membee Login plugin version 2.3.6 and earlier. Attackers can steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users.
💻 Affected Systems
- Membee Login 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 the WordPress site, install backdoors, deface the site, or steal sensitive user data.
Likely Case
Attackers steal user session cookies to hijack accounts, redirect users to phishing pages, or perform limited actions within user 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 user interaction (clicking a malicious link) but is easy to exploit once the vulnerability is understood.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.3.7 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Membee Login' and click 'Update Now'. 4. Verify the plugin version is 2.3.7 or higher.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the Membee Login plugin until patched.
wp plugin deactivate membees-member-login-widget
Web Application Firewall (WAF)
allConfigure WAF rules to block XSS payloads targeting the vulnerable endpoint.
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Use input validation and output encoding in custom code that interacts with the plugin
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Membee Login version <= 2.3.6
Check Version:
wp plugin get membees-member-login-widget --field=version
Verify Fix Applied:
Verify plugin version is 2.3.7 or higher in WordPress admin panel
📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript payloads to login-related endpoints
- Multiple failed login attempts from same IP with suspicious parameters
Network Indicators:
- HTTP requests with suspicious parameters like <script>alert()</script> in query strings
- Traffic patterns showing users being redirected to external domains after visiting login pages
SIEM Query:
source="web_server_logs" AND (uri="*login*" OR uri="*widget*" OR uri="*membee*") AND (query="*<script>*" OR query="*javascript:*" OR query="*onerror=*" OR query="*onload=*")