CVE-2024-10579
📋 TL;DR
The Hustle WordPress plugin has an authorization vulnerability that allows authenticated users with Subscriber-level access or higher to view unpublished forms. This occurs due to missing capability checks in the preview_module() function. All WordPress sites using Hustle plugin versions up to 7.8.5 are affected.
💻 Affected Systems
- Hustle – Email Marketing, Lead Generation, Optins, Popups WordPress plugin
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could harvest unpublished form data, potentially exposing sensitive information or upcoming marketing campaigns before official launch.
Likely Case
Low-privilege authenticated users can view unpublished forms they shouldn't have access to, potentially leaking marketing strategies or form content.
If Mitigated
With proper user role management and monitoring, impact is limited to unauthorized viewing of unpublished forms without data modification capabilities.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once authenticated. Subscriber role is the lowest WordPress user role.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 7.8.6 or later
Vendor Advisory: https://plugins.trac.wordpress.org/changeset/3155115/wordpress-popup/trunk/inc/hustle-modules-common-admin-ajax.php
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find Hustle plugin
4. Click 'Update Now' if available
5. Or download version 7.8.6+ from WordPress.org and manually update
🔧 Temporary Workarounds
Temporarily disable plugin
allDeactivate the Hustle plugin until patched
wp plugin deactivate wordpress-popup
Restrict user roles
allTemporarily remove Subscriber role access or limit user registration
🧯 If You Can't Patch
- Implement strict user role management and monitor Subscriber-level user activities
- Add web application firewall rules to block suspicious requests to preview_module() function
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Hustle plugin version. If version is 7.8.5 or lower, you are vulnerable.Check Version:
wp plugin get wordpress-popup --field=versionVerify Fix Applied:
After updating, verify plugin version shows 7.8.6 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Multiple POST requests to /wp-admin/admin-ajax.php with action=hustle_module_preview from low-privilege users
Network Indicators:
- Unusual admin-ajax.php requests from non-admin user accounts
SIEM Query:
source="wordpress.log" AND "admin-ajax.php" AND "hustle_module_preview" AND user_role="subscriber"🔗 References
- https://plugins.trac.wordpress.org/browser/wordpress-popup/tags/7.8.5/inc/hustle-modules-common-admin-ajax.php#L189
- https://plugins.trac.wordpress.org/browser/wordpress-popup/trunk/inc/hustle-modules-common-admin-ajax.php#L189
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ebd96d9c-c1ab-4a53-a52a-9fc2541482f2?source=cve
