Multiple HTML injection vulnerabilities have been reported for GuestBookHost guest books. The problem has been reported to due to a lack of sufficient sanitization performed on user-supplied data. An attacker may inject arbitrary HTML code into GuestBookHost guest book entries. When the malicious entry is later viewed by a legitimate, the embedded HTML code will be interpreted in their browser.
Multiple HTML injection vulnerabilities have been reported for GuestBookHost guest books. The problem has been reported to due to a lack of sufficient sanitization performed on user-supplied data. An attacker may inject arbitrary HTML code into GuestBookHost guest book entries. When the malicious entry is later viewed by a legitimate, the embedded HTML code will be interpreted in their browser.