CVE-2024-54223
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web forms created with the ARForms Form Builder WordPress plugin. When exploited, it enables cross-site scripting (XSS) attacks that can steal user sessions, redirect users, or deface websites. All WordPress sites using ARForms Form Builder versions up to 1.7.1 are affected.
💻 Affected Systems
- ARForms Form Builder WordPress Plugin
📦 What is this software?
Arforms Form Builder by Reputeinfosystems
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator credentials, take over the WordPress site, install backdoors, or redirect all visitors to malicious sites.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, redirect users to phishing pages, or display unwanted content on the site.
If Mitigated
With proper input validation and output encoding, the injected scripts would be rendered harmless as plain text rather than executable code.
🎯 Exploit Status
Basic XSS vulnerabilities are commonly exploited and require minimal technical skill. The vulnerability is in publicly accessible web forms.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.7.2 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/arforms-form-builder/vulnerability/wordpress-arforms-plugin-1-7-1-html-injection-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find ARForms Form Builder. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 1.7.2+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable ARForms Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate arforms-form-builder
Implement WAF Rules
allAdd web application firewall rules to block XSS payloads in form submissions
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers to prevent script execution
- Use a web application firewall (WAF) with XSS protection rules enabled
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → ARForms Form Builder version. If version is 1.7.1 or lower, you are vulnerable.
Check Version:
wp plugin get arforms-form-builder --field=version
Verify Fix Applied:
Verify ARForms Form Builder version is 1.7.2 or higher in WordPress plugins page.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to form submission endpoints containing script tags or JavaScript code
- Multiple failed form submissions with encoded payloads
Network Indicators:
- HTTP requests with script tags in form field parameters
- Unusual outbound connections after form submissions
SIEM Query:
source="wordpress.log" AND ("script" OR "javascript:" OR "onerror=" OR "onload=") AND "POST /wp-admin/admin-ajax.php"