admin/index.php in Maian Search 1.1 and earlier allows remote attackers to bypass authentication and gain administrative access by sending an arbitrary search_cookie cookie.
https://www.exploit-db.com/exploits/6066
https://exchange.xforce.ibmcloud.com/vulnerabilities/43753
http://www.maianscriptworld.co.uk/news.html
http://www.maianscriptworld.co.uk/free-php-scripts/maian-search/development/index.html