Beveiligingsadvies
CVE-2019-13948
CVE-kwetsbaarheidsdetails - eXtreme Datacenter Security Operations
Beschrijving
SyGuestBook A5 Version 1.2 allows stored XSS because the isValidData function in include/functions.php does not properly block XSS payloads, as demonstrated by a crafted use of the onerror attribute of an IMG element.