CVE-2024-56289

7.1 HIGH

📋 TL;DR

This is a reflected cross-site scripting (XSS) vulnerability in the Groundhogg WordPress plugin that allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability affects all versions up to 3.7.3.3, potentially compromising any WordPress site using the vulnerable plugin.

💻 Affected Systems

Products:
  • Groundhogg WordPress Plugin
Versions: n/a through 3.7.3.3
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations using Groundhogg plugin within affected version range are vulnerable.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could steal session cookies, redirect users to malicious sites, perform actions on behalf of authenticated users, or deface websites.

🟠

Likely Case

Attackers craft malicious URLs containing XSS payloads that execute when victims click them, potentially stealing session data or performing limited unauthorized actions.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts would be neutralized before reaching users.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Reflected XSS typically requires user interaction (clicking malicious link).

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 3.7.3.3

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/groundhogg/vulnerability/wordpress-groundhogg-plugin-3-7-3-3-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Groundhogg plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.

🔧 Temporary Workarounds

Input Validation Web Application Firewall

all

Deploy WAF rules to block XSS payloads in URL parameters

🧯 If You Can't Patch

  • Temporarily disable Groundhogg plugin if not essential
  • Implement Content Security Policy (CSP) headers to restrict script execution

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Groundhogg version. If version ≤ 3.7.3.3, vulnerable.

Check Version:

wp plugin list --name=groundhogg --field=version

Verify Fix Applied:

Confirm Groundhogg version > 3.7.3.3 in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual long URL parameters containing script tags or JavaScript code
  • Multiple failed requests with XSS payload patterns

Network Indicators:

  • HTTP requests with suspicious parameters containing <script>, javascript:, or encoded payloads

SIEM Query:

web.url:*<script* OR web.url:*javascript:*

🔗 References

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