CVE-2024-37920
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages generated by the ARForms Form Builder WordPress plugin. When users visit a specially crafted URL, the script executes in their browser, potentially stealing credentials or session cookies. All WordPress sites using ARForms Form Builder versions up to 1.6.7 are affected.
💻 Affected Systems
- Repute InfoSystems ARForms Form Builder WordPress Plugin
📦 What is this software?
Arforms Form Builder by Reputeinfosystems
⚠️ Risk & Real-World Impact
Worst Case
Attackers steal administrator credentials, take over the WordPress site, install backdoors, and compromise all user data.
Likely Case
Attackers steal session cookies from logged-in users, hijack their accounts, and perform unauthorized actions.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching users' browsers.
🎯 Exploit Status
Reflected XSS vulnerabilities are commonly exploited and require minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.6.8 or later
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 1.6.8+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the ARForms Form Builder plugin until patched.
wp plugin deactivate arforms-form-builder
Web Application Firewall (WAF)
allConfigure WAF rules to block XSS payloads targeting ARForms endpoints.
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution.
- Use browser security extensions that block reflected XSS attacks.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for ARForms Form Builder version. If version is 1.6.7 or lower, you are vulnerable.Check Version:
wp plugin get arforms-form-builder --field=versionVerify Fix Applied:
After updating, verify the plugin version shows 1.6.8 or higher in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript code to ARForms endpoints.
- Multiple failed login attempts following suspicious URL visits.
Network Indicators:
- HTTP requests with suspicious parameters like <script>alert()</script> in query strings.
- Traffic patterns showing users being redirected to malicious sites.
SIEM Query:
source="web_server_logs" AND (uri_path="/wp-content/plugins/arforms-form-builder/" OR uri_path CONTAINS "arforms") AND (query_string CONTAINS "<script>" OR query_string CONTAINS "javascript:")🔗 References
- https://patchstack.com/database/vulnerability/arforms-form-builder/wordpress-arforms-form-builder-plugin-1-6-7-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/arforms-form-builder/wordpress-arforms-form-builder-plugin-1-6-7-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve
