CVE-2025-30811
📋 TL;DR
A Cross-Site Request Forgery (CSRF) vulnerability in the ValidateCertify WordPress plugin allows attackers to trick authenticated administrators into performing unintended actions. This affects all WordPress sites using ValidateCertify versions up to 1.6.1. The vulnerability requires an authenticated admin session to be exploited.
💻 Affected Systems
- WordPress ValidateCertify 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
An attacker could trick an admin into changing plugin settings, deleting data, or performing other administrative actions that could compromise site functionality or data integrity.
Likely Case
Attackers could modify plugin configuration, potentially affecting certificate validation functionality or other plugin-specific settings.
If Mitigated
With proper CSRF protections and admin awareness, the risk is limited as exploitation requires social engineering and an active admin session.
🎯 Exploit Status
Exploitation requires tricking an authenticated admin to click a malicious link while logged in. No authentication bypass is needed beyond social engineering.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.6.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find ValidateCertify plugin. 4. Click 'Update Now' if available. 5. Alternatively, download version 1.6.2+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the ValidateCertify plugin until patched
wp plugin deactivate validatecertify
🧯 If You Can't Patch
- Implement CSRF protection middleware or WAF rules to block suspicious admin requests
- Educate administrators about CSRF risks and safe browsing practices
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for ValidateCertify versionCheck Version:
wp plugin get validatecertify --field=versionVerify Fix Applied:
Verify plugin version is 1.6.2 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Multiple admin actions from same session in rapid succession
- Admin actions with missing or malformed nonce tokens
Network Indicators:
- HTTP requests to admin-ajax.php or admin-post.php with plugin-specific actions from unexpected referrers
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" OR uri_path="/wp-admin/admin-post.php") AND (query_string CONTAINS "validatecertify" OR query_string CONTAINS "validar-certificados") AND NOT (referrer CONTAINS own_domain)