CVE-2024-56017
📋 TL;DR
This vulnerability in the WordPress Stop Registration Spam plugin allows attackers to perform Cross-Site Request Forgery (CSRF) attacks that lead to Stored Cross-Site Scripting (XSS). Attackers can trick authenticated administrators into executing malicious actions that inject persistent scripts into WordPress sites. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- WordPress Stop Registration Spam 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 inject malicious JavaScript that steals administrator credentials, redirects users to phishing sites, or takes full control of the WordPress site when administrators view affected pages.
Likely Case
Attackers create phishing pages that trick logged-in administrators into unknowingly injecting malicious scripts into the WordPress site, which then affects all visitors to those pages.
If Mitigated
With proper CSRF protections and content security policies, the attack would fail or have limited impact even if attempted.
🎯 Exploit Status
Exploitation requires tricking an authenticated administrator into visiting a malicious page. The vulnerability chain (CSRF to Stored XSS) is well-documented and weaponization is likely given the WordPress plugin ecosystem.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.24 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Stop Registration Spam' and click 'Update Now'. 4. If update not available, download version 1.24+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the Stop Registration Spam plugin until patched
wp plugin deactivate stop-registration-spam
Implement CSRF protection headers
allAdd Content Security Policy headers to mitigate XSS impact
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self'";
🧯 If You Can't Patch
- Remove plugin entirely and use alternative spam prevention solutions
- Restrict admin panel access to trusted IP addresses only
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Stop Registration Spam. If version is 1.23 or earlier, you are vulnerable.Check Version:
wp plugin get stop-registration-spam --field=versionVerify Fix Applied:
Verify plugin version is 1.24 or later in WordPress admin panel. Test admin functions to ensure CSRF tokens are present in forms.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-admin/admin-ajax.php with plugin-specific actions
- Multiple failed CSRF token validations in WordPress debug logs
- Unexpected JavaScript injection in plugin settings or comments
Network Indicators:
- External domains loading in WordPress admin pages
- Unexpected iframe or script tags in HTTP responses
SIEM Query:
source="wordpress.log" AND ("stop-registration-spam" OR "admin-ajax.php") AND ("csrf" OR "xss" OR "script injection")