Cross-site scripting vulnerability in Create screens of Entry Page and Content Type of Movable Type (Movable Type 7 r.4903 and earlier (Movable Type 7 Series) Movable Type 6.8.0 and earlier (Movable Type 6 Series) Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series) Movable Type Premium 1.44 and earlier and Movable Type Premium Advanced 1.44 and earlier) allows remote attackers to inject arbitrary script or HTML via unspecified vectors.