CVE-2024-50475
📋 TL;DR
This vulnerability in the WordPress Signup Page plugin allows attackers to update arbitrary WordPress options without proper authorization, leading to privilege escalation. Attackers can gain administrative access to WordPress sites. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- WordPress Signup Page plugin by Scott Gamon
⚠️ 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
Complete site takeover where attackers gain full administrative privileges, install backdoors, steal sensitive data, deface the site, or use it for further attacks.
Likely Case
Attackers gain administrative access to compromise the WordPress installation, modify content, install malicious plugins/themes, or access sensitive user data.
If Mitigated
With proper network segmentation and monitoring, impact is limited to the affected WordPress instance, but administrative compromise still occurs.
🎯 Exploit Status
The vulnerability allows arbitrary option updates which can be used to modify user capabilities or create admin accounts. Exploitation requires minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Go to Plugins → Installed Plugins. 3. Find 'Signup Page' plugin. 4. Click 'Update Now' if available. 5. If no update available, deactivate and delete the plugin immediately.
🔧 Temporary Workarounds
Immediate Plugin Deactivation
allDeactivate the vulnerable plugin to prevent exploitation while planning permanent fix
wp plugin deactivate signup-page
🧯 If You Can't Patch
- Deactivate and remove the Signup Page plugin immediately
- Implement web application firewall rules to block requests to vulnerable plugin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'Signup Page' plugin version 1.0 or earlierCheck Version:
wp plugin get signup-page --field=versionVerify Fix Applied:
Verify plugin version is 1.0.1 or later, or confirm plugin is not installed📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with action=signup_page_update_option
- Sudden creation of new administrator accounts
- Unexpected changes to user roles or capabilities
Network Indicators:
- HTTP requests containing 'signup_page_update_option' parameter
- Unusual traffic patterns to WordPress admin endpoints from unexpected sources
SIEM Query:
source="wordpress.log" AND ("signup_page_update_option" OR "admin-ajax.php" AND "action=signup_page")