CVE-2025-69324
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the NEX-Forms WordPress plugin allows attackers to inject malicious scripts into web pages that are then executed when other users view those pages. All WordPress sites using vulnerable versions of the NEX-Forms plugin are affected. The vulnerability exists in the form builder functionality where user input isn't properly sanitized before being displayed.
💻 Affected Systems
- Basix NEX-Forms nex-forms-express-wp-form-builder 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 could steal administrator session cookies, take over WordPress admin accounts, deface websites, redirect users to malicious sites, or install backdoors for persistent access.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, perform actions on behalf of authenticated users, or redirect visitors to phishing pages.
If Mitigated
With proper input validation and output encoding, malicious scripts would be rendered harmless as text rather than executable code.
🎯 Exploit Status
Stored XSS vulnerabilities in WordPress plugins are frequently exploited in the wild. Attackers typically need some level of access to submit malicious form data.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 9.1.8 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find NEX-Forms plugin and click 'Update Now'. 4. Verify plugin version is 9.1.8 or higher.
🔧 Temporary Workarounds
Disable NEX-Forms Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate nex-forms-express-wp-form-builder
Implement WAF Rules
allAdd web application firewall rules to block XSS payloads in form submissions
🧯 If You Can't Patch
- Disable the NEX-Forms plugin immediately and use alternative form solutions
- Implement strict Content Security Policy (CSP) headers to mitigate script execution
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → NEX-Forms version. If version is 9.1.7 or lower, you are vulnerable.Check Version:
wp plugin get nex-forms-express-wp-form-builder --field=versionVerify Fix Applied:
After updating, verify NEX-Forms plugin version shows 9.1.8 or higher in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unusual form submissions with script tags, JavaScript code in form field values, multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing <script> tags or JavaScript events in POST data to form submission endpoints
SIEM Query:
source="web_server" AND ("<script" OR "javascript:" OR "onload=" OR "onerror=") AND uri_path="/wp-admin/admin-ajax.php" AND plugin="nex-forms"