CVE-2021-20663: Improper Neutralization of Input During Web Page Generation

Cross-site scripting vulnerability in in Role authority setting screen of Movable Type 7 r.4705 and earlier Movable Type 7 Series, Movable Type Advanced 7 r.4705 and earlier Movable Type Advanced 7 Series, Movable Type 6.7.5 and earlier Movable Type 6.7 Series, Movable Type Premium 1.39 and...