CVE-2024-37409
📋 TL;DR
This stored XSS vulnerability in PowerPack Lite for Beaver Builder allows attackers to inject malicious scripts into web pages. When users view compromised pages, the scripts execute in their browsers, potentially stealing credentials or performing unauthorized actions. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- PowerPack Lite for Beaver Builder
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator credentials, take over WordPress sites, deface websites, or redirect visitors to malicious sites.
Likely Case
Attackers inject malicious scripts to steal user session cookies or credentials, potentially compromising user accounts.
If Mitigated
With proper input validation and output encoding, the risk is limited to minor content manipulation if other security controls fail.
🎯 Exploit Status
XSS vulnerabilities are commonly exploited. While no public PoC is confirmed, similar WordPress plugin XSS vulnerabilities are frequently weaponized.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.3.0.5 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'PowerPack Lite for Beaver Builder'. 4. Click 'Update Now' if available. 5. If no update appears, manually download version 1.3.0.5+ from WordPress.org and replace the plugin files.
🔧 Temporary Workarounds
Disable PowerPack Lite Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate powerpack-addon-for-beaver-builder
Implement WAF Rules
allAdd XSS protection rules to web application firewall
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Enable WordPress security plugins with XSS protection features
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for PowerPack Lite version. If version is 1.3.0.4 or earlier, you are vulnerable.Check Version:
wp plugin get powerpack-addon-for-beaver-builder --field=versionVerify Fix Applied:
After update, verify plugin version shows 1.3.0.5 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to Beaver Builder/PowerPack endpoints
- Suspicious script tags in form submissions
Network Indicators:
- Malicious script payloads in HTTP requests
- Unexpected external script loads from Beaver Builder pages
SIEM Query:
source="wordpress" AND (uri_path="*beaver*" OR uri_path="*powerpack*") AND (http_method="POST" OR http_method="PUT") AND (request_body="*<script>*" OR request_body="*javascript:*")🔗 References
- https://patchstack.com/database/vulnerability/powerpack-addon-for-beaver-builder/wordpress-powerpack-lite-for-beaver-builder-plugin-1-3-0-4-cross-site-scripting-xss-vulnerability?_s_id=cve
- https://patchstack.com/database/vulnerability/powerpack-addon-for-beaver-builder/wordpress-powerpack-lite-for-beaver-builder-plugin-1-3-0-4-cross-site-scripting-xss-vulnerability?_s_id=cve
