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Block malicious URL Requests on Wordpress

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  1. <?php
  2. /*
  3. Plugin Name: Block Bad Queries
  4. Plugin URI: http://perishablepress.com/press/2009/12/22/protect-wordpress-against-malicious-url-requests/
  5. Description: Protect WordPress Against Malicious URL Requests
  6. Author URI: http://perishablepress.com/
  7. Author: Perishable Press
  8. Version: 1.0
  9. */
  10. global $user_ID; if($user_ID) {
  11.   if(!current_user_can('level_10')) {
  12.     if (strlen($_SERVER['REQUEST_URI']) > 255 ||
  13.       strpos($_SERVER['REQUEST_URI'], "eval(") ||
  14.       strpos($_SERVER['REQUEST_URI'], "CONCAT") ||
  15.       strpos($_SERVER['REQUEST_URI'], "UNION+SELECT") ||
  16.       strpos($_SERVER['REQUEST_URI'], "base64")) {
  17.         @header("HTTP/1.1 414 Request-URI Too Long");
  18. 	@header("Status: 414 Request-URI Too Long");
  19. 	@header("Connection: Close");
  20. 	@exit;
  21.     }
  22.   }
  23. }
  24. ?>

URL: http://www.wprecipes.com/wordpress-plugin-protect-your-blog-from-malicious-url-requests?utm_source=twitterfeed&utm_medium=twitter&utm_campaign=Designely

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