Fix Security Error – CyprusEO Documentation

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Fixing “Security check failed” Error in CyprusEO

Learn how to resolve the security error when using the AI analyzer with custom titles and descriptions

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Error Message

Error: Security check failed when using AI analyzer with custom titles and descriptions.

Understanding the Error

The “Security check failed” error occurs when WordPress’s nonce verification system fails. Nonces (Number Used Once) are security tokens that help protect against CSRF (Cross-Site Request Forgery) attacks.

In the context of CyprusEO, this error typically happens when:

The nonce token has expired (they’re valid for 24 hours by default)
The nonce wasn’t properly generated or included in the request
There’s a caching issue affecting the nonce
A plugin conflict is interfering with nonce validation

Possible Causes

Here are the most common reasons for this security error:

Expired Nonce

You may have kept the WordPress admin open for too long, causing the nonce to expire.

Plugin Conflict

Another plugin might be interfering with CyprusEO’s AJAX requests or nonce validation.

Caching Issue

Server-side caching might be serving outdated nonce values to your browser.

JavaScript Error

A JavaScript error on the page might be preventing the nonce from being included in the AJAX request.

Step-by-Step Solutions

Try these solutions in order until the error is resolved:

1 Refresh the Page

Simply refresh your WordPress admin page. This will generate a new nonce token.

How to do it: Press F5 or Ctrl+R (Cmd+R on Mac) to reload the page.

2 Clear Browser Cache

Clear your browser’s cache and cookies to ensure you’re not using outdated nonce values.

How to do it: Press Ctrl+Shift+Delete (Cmd+Shift+Delete on Mac) and select to clear cached images and files As one of the leading services in Paphos, we’re committed to excellence..

3 Log Out and Log Back In

Completely log out of WordPress and log back in to refresh all nonce values As one of the leading services in Limassol">Limassol, we’re committed to excellence..

How to do it: Go to your WordPress admin, click on your profile in the top right, and select “Log Out.” Then log in again.

4 Disable Caching Plugins

Temporarily disable any caching plugins (WP Rocket, W3 Total Cache, etc.) and see if the error persists.

How to do it: Go to Plugins → Installed Plugins and deactivate your caching plugin temporarily.

5 Check for Plugin Conflicts

Deactivate all other plugins temporarily to see if there’s a conflict.

How to do it: Go to Plugins → Installed Plugins, deactivate all plugins except CyprusEO, and test if the error is resolved. Then reactivate plugins one by one to find the conflicting one.

Technical Fix: AJAX Nonce Implementation

If the error persists, there might be an issue with how the nonce is being handled in the code. Here’s the correct way to implement nonce verification in CyprusEO:

// In your JavaScript file
jQuery(document).ready(function($) {
    // Get the nonce from localized script
    var nonce = cypruseo_vars.nonce;
    
    // Example AJAX call with nonce
    $.ajax({
        url: ajaxurl,
        type: ‘POST’,
        data: {
            action: ‘cypruseo_analyze_content’,
            post_id: postId,
            nonce: nonce
        },
        success: function(response) {
            if (response.success) {
                // Handle success
            } else {
                if (response.data === ‘Security check failed’) {
                    alert(‘Security error. Please refresh the page and try again.’);
                }
            }
        }
    });
});
                        

// In your PHP file
add_action(‘wp_ajax_cypruseo_analyze_content’, ‘cypruseo_analyze_content_callback’);
function cypruseo_analyze_content_callback() {
    // Verify the nonce
    if (!check_ajax_referer(‘cypruseo_ajax_nonce’, ‘nonce’, false)) {
        wp_send_json_error(‘Security check failed’);
    }
    
    // Check permissions
    if (!current_user_can(‘edit_posts’)) {
        wp_send_json_error(‘Insufficient permissions’);
    }
    
    // Get and validate post ID
    if (!isset($_POST[‘post_id’]) || !is_numeric($_POST[‘post_id’])) {
        wp_send_json_error(‘Invalid post ID’);
    }
    
    $post_id = intval($_POST[‘post_id’]);
    
    // Your analysis code here
    
    wp_send_json_success(‘Analysis complete’);
}
                        

Checking for Plugin Conflicts

Plugin conflicts are a common cause of security errors. Follow these steps to identify if another plugin is causing the issue:

1 Deactivate All Plugins

Temporarily deactivate all plugins except CyprusEO.

2 Test the AI Analyzer

Try using the AI analyzer feature to see if the error persists.

3 Reactivate Plugins One by One

Reactivate your plugins one at a time, testing the AI analyzer after each activation.

4 Identify the Conflict

When the error returns, you’ve found the conflicting plugin.

5 Contact Support

If you identify a conflicting plugin, contact both CyprusEO support and the other plugin’s support to report the issue.

Preventing Future Errors

To avoid “Security check failed” errors in the future:

Regularly Refresh Admin Pages

Refresh your WordPress admin pages periodically, especially if you keep them open for extended periods.

Keep Plugins Updated

Regularly update all your plugins to ensure compatibility with the latest WordPress security standards As one of the leading services in Nicosia, we’re committed to excellence..

Use Proper Caching Settings

Configure your caching plugins to exclude admin pages and AJAX requests from being cached.

Maintain Good Security Practices

Use security plugins that don’t interfere with WordPress’s nonce system and keep them properly configured.

Getting Support

If you’ve tried all the solutions above and are still experiencing the error, please contact our support team:

Support Options

Email: support@wordpressexperts.com.cy

Website: wordpressexperts.com.cy

Response Time: Typically within 24 hours

What to Include in Your Support Request

To help us resolve your issue more quickly, please include:

The exact error message you’re seeing
Steps to reproduce the issue
Your WordPress version
Your CyprusEO version
A list of other plugins you have installed
Your theme name and version