CVE-2024-53810
📋 TL;DR
This CVE describes a broken access control vulnerability in the Simple User Registration WordPress plugin that allows unauthorized users to delete user accounts. The vulnerability affects all versions up to 5.5, potentially impacting any WordPress site using this plugin.
💻 Affected Systems
- Simple User Registration 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 delete all user accounts including administrators, causing complete site takeover and data loss.
Likely Case
Unauthenticated attackers deleting user accounts, disrupting site operations and causing user data loss.
If Mitigated
With proper access controls, only authorized administrators could manage user accounts.
🎯 Exploit Status
The vulnerability is in access control logic, making exploitation straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.6 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Find Simple User Registration. 4. Click Update Now or manually update to version 5.6+.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate simple-user-registration
🧯 If You Can't Patch
- Implement web application firewall rules to block user deletion requests from unauthorized sources.
- Restrict access to the plugin's functionality using .htaccess or web server configuration.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Simple User Registration version. If version is 5.5 or earlier, you are vulnerable.Check Version:
wp plugin get simple-user-registration --field=versionVerify Fix Applied:
Verify plugin version is 5.6 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Multiple user deletion requests from unauthenticated or low-privilege users
- Failed user deletion attempts
Network Indicators:
- HTTP POST requests to user deletion endpoints from unauthorized IPs
SIEM Query:
source="wordpress.log" AND ("user_deleted" OR "delete_user") AND NOT user_role="administrator"