Describe CVE-2006-1896.
What is CVE-2006-1896?
Unspecified vulnerability in phpBB allows remote authenticated users with Administration Panel access to execute arbitrary PHP code via crafted Font Colour 3 ($theme[fontcolor3] variable) and/or signature values, possibly involving the highlight functionality.  NOTE: the original report does not clarify whether this issue is static code injection, eval injection, or another type of vulnerability..