CVE-2025-2560
📋 TL;DR
This vulnerability in the Ninja Forms WordPress plugin allows administrators to inject malicious scripts into plugin settings, which then execute when other users view those settings. It affects WordPress sites using Ninja Forms plugin versions before 3.10.1, particularly in multisite configurations where unfiltered_html capability is restricted.
💻 Affected Systems
- Ninja Forms WordPress Plugin
📦 What is this software?
Ninja Forms by Ninjaforms
⚠️ Risk & Real-World Impact
Worst Case
Administrator account compromise leading to site takeover, credential theft from other users, or malware distribution to visitors.
Likely Case
Privileged admin user could inject malicious JavaScript that executes when other administrators or editors view plugin settings, potentially stealing session cookies or performing unauthorized actions.
If Mitigated
With proper user access controls and regular plugin updates, impact is limited to potential data exposure from compromised admin accounts.
🎯 Exploit Status
Exploitation requires administrative access to WordPress, making it primarily an insider threat or post-compromise attack vector.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.10.1
Vendor Advisory: https://wpscan.com/vulnerability/2adaa55a-4a0d-40ca-ae19-fcb82420894a/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Ninja Forms plugin. 4. Click 'Update Now' if available. 5. Alternatively, download version 3.10.1+ from WordPress.org and manually update.
🔧 Temporary Workarounds
Temporary Access Restriction
allRestrict plugin settings access to only essential administrators until patched.
Content Security Policy
linuxImplement strict CSP headers to mitigate XSS impact.
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' https://trusted-cdn.com;"
🧯 If You Can't Patch
- Remove Ninja Forms plugin and use alternative form solutions
- Implement strict user access controls and monitor admin user activities
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Ninja Forms → Version number. If version is below 3.10.1, system is vulnerable.
Check Version:
wp plugin list --name=ninja-forms --field=version
Verify Fix Applied:
Confirm Ninja Forms plugin version is 3.10.1 or higher in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual plugin setting modifications by admin users
- JavaScript injection patterns in plugin option values
Network Indicators:
- Unexpected external script loads from WordPress admin pages
SIEM Query:
source="wordpress.log" AND ("ninja_forms" OR "plugin_settings") AND ("update_option" OR "save_settings") AND ("script" OR "javascript" OR "onclick")