CVE-2024-50533
📋 TL;DR
This CSRF vulnerability in the WordPress Domain Sharding plugin allows attackers to trick authenticated administrators into performing unintended actions, leading to stored cross-site scripting (XSS). When exploited, it enables attackers to inject malicious scripts that execute in users' browsers. All WordPress sites using vulnerable versions of the Domain Sharding plugin are affected.
💻 Affected Systems
- WordPress Domain Sharding 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 persistent malicious scripts that steal administrator credentials, hijack user sessions, deface websites, or redirect visitors to malicious sites.
Likely Case
Attackers create fake admin interfaces or forms that trick logged-in administrators into executing actions that inject malicious JavaScript payloads into the site.
If Mitigated
With proper CSRF tokens and input validation, the vulnerability cannot be exploited, though the vulnerable code remains present.
🎯 Exploit Status
Exploitation requires social engineering to trick an authenticated administrator into clicking a malicious link or visiting a crafted page.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Domain Sharding' and click 'Update Now' if available. 4. Alternatively, download version 1.2.2+ from WordPress.org and manually replace the plugin files.
🔧 Temporary Workarounds
Disable Domain Sharding Plugin
allTemporarily deactivate the vulnerable plugin until patched.
wp plugin deactivate domain-sharding
Implement CSRF Protection Headers
allAdd Content-Security-Policy headers to restrict script execution sources.
Add to .htaccess: Header set Content-Security-Policy "script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "script-src 'self'";
🧯 If You Can't Patch
- Remove the Domain Sharding plugin entirely and use alternative domain sharding methods.
- Restrict admin panel access to specific IP addresses using firewall rules or .htaccess restrictions.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Domain Sharding for version number. If version is 1.2.1 or earlier, the site is vulnerable.Check Version:
wp plugin get domain-sharding --field=versionVerify Fix Applied:
Confirm Domain Sharding plugin version is 1.2.2 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-admin/admin-ajax.php or plugin-specific endpoints from unexpected referrers
- Administrator account performing unexpected plugin configuration changes
Network Indicators:
- HTTP requests with suspicious parameters containing script tags or JavaScript code targeting plugin endpoints
- CSRF attack patterns with missing or predictable nonce/token values
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" OR uri_path CONTAINS "domain-sharding") AND (http_method="POST" AND (referrer NOT IN allowed_domains OR params CONTAINS "<script>"))