Cross-site scripting (XSS) vulnerability in guestbook.php in Simple PHP Guestbook 1.0 allows remote attackers to inject arbitrary web script or HTML via the action parameter.Referenceshttps://exchange.xforce.ibmcloud.com/vulnerabilities/55522http://secunia.com/advisories/38053http://www.exploit-db.com/exploits/11077http://osvdb.org/61614http://packetstormsecurity.org/1001-exploits/simplephpgb-xss.txt
