OneFileCMS 3.6.13 allows remote attackers to modify onefilecms.php by clicking the Copy button twice.

onefilecms.php in OneFileCMS through 2017-10-08 might allow attackers to read arbitrary files via the i and f parameters, as demonstrated by ?i=etc/&f=passwd&p=raw_view for the /etc/passwd file.

onefilecms.php in OneFileCMS through 2017-10-08 might allow attackers to delete arbitrary files via the Delete File(s) screen, as demonstrated by a ?i=var/www/html/&f=123.php&p=edit&p=deletefile URI.

onefilecms.php in OneFileCMS through 2012-04-14 might allow attackers to execute arbitrary PHP code via a .php filename on the Upload screen.

onefilecms.php in OneFileCMS through 2012-04-14 might allow attackers to execute arbitrary PHP code via a .php filename on the New File screen.

onefilecms.php in OneFileCMS through 2012-04-14 might allow attackers to conduct brute-force attacks via the onefilecms_username and onefilecms_password fields.