additionally block Content-Type to avoid MHTML XSS
additionally block Content-Type to avoid MHTML XSS

yacon/koala-framework,darimpulso/koala-framework,yacon/koala-framework,Ben-Ho/koala-framework,kaufmo/koala-framework,koala-framework/koala-framework,koala-framework/koala-framework,Sogl/koala-framework,Sogl/koala-framework,Ben-Ho/koala-framework,nsams/koala-framework,kaufmo/koala-framework,kaufmo/koala-framework,nsams/koala-framework,darimpulso/koala-framework,yacon/koala-framework,nsams/koala-framework