Same here in Malzilla:

HTTP/1.1 500 Internal Server Error Date: Sun, 10 Nov 2013 16:44:56 GMT Server: Apache/2.2.23 (Unix) mod_ssl/2.2.23 OpenSSL/1.0.0-fips mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635F X-Powered-By: PHP/5.4.11
vulnerable to SSL Session Disclosure Vulnerability & SQL vulnerability with injection type Integer?! and who knows what more. So site possibly been compromised.

polonus