CVE-2025-26987
📋 TL;DR
This reflected cross-site scripting (XSS) vulnerability in the Frontend Admin by DynamiApps WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. It affects all WordPress sites using vulnerable versions of this plugin, potentially compromising user sessions and data.
💻 Affected Systems
- Frontend Admin by DynamiApps WordPress plugin
📦 What is this software?
Frontend Admin by Dynamiapps
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator credentials, hijack user sessions, deface websites, or redirect users to malicious sites, potentially leading to complete site compromise.
Likely Case
Attackers typically use this to steal session cookies, perform actions as authenticated users, or display phishing content to visitors.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users.
🎯 Exploit Status
Exploitation requires user interaction (clicking a malicious link) and knowledge of vulnerable endpoints. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 3.25.17
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Frontend Admin by DynamiApps'. 4. Click 'Update Now' if available, or manually update to latest version. 5. Verify plugin is updated to version newer than 3.25.17.
🔧 Temporary Workarounds
Input Validation Filter
WordPressAdd custom input validation to sanitize all user inputs before processing
Add WordPress filter: add_filter('sanitize_text_field', 'custom_xss_filter');
🧯 If You Can't Patch
- Temporarily disable the Frontend Admin plugin if not essential
- Implement web application firewall (WAF) rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Frontend Admin by DynamiApps version numberCheck Version:
wp plugin list --name='Frontend Admin by DynamiApps' --field=versionVerify Fix Applied:
Verify plugin version is newer than 3.25.17 and test form inputs with basic XSS payloads📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript code
- Multiple failed attempts to access plugin-specific endpoints
Network Indicators:
- HTTP requests with suspicious parameters containing <script> tags or JavaScript events
SIEM Query:
source="web_server" AND ("<script" OR "javascript:" OR "onerror=" OR "onload=") AND uri_path="/wp-content/plugins/acf-frontend-form-element/"