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Medium · 4.3 CVE-2025-55706 EUVD-2025-25324GHSA-39q7-8c7v-rhjv

URL redirection to untrusted site ('Open Redirect') issue exists in Movable Type. If this vulnerability is exploited, an invalid parameter …

Published Aug 20, 2025 · Updated Aug 20, 2025 · Assigned by jpcert

Description

URL redirection to untrusted site ('Open Redirect') issue exists in Movable Type. If this vulnerability is exploited, an invalid parameter may be inserted into the password reset page, which may lead to redirection to an arbitrary URL.

Affected products

VendorProductAffectedFixed
Six Apart Movable Type (Software Edition) 8.0.0 to 8.0.6, 8.4.0 to 8.4.2 (8 series), 7 r.5508 and earlier (7 series) —
Six Apart Movable Type Advanced (Software Edition) 8.0.0 to 8.0.6, 8.4.0 to 8.4.2 (8 series), 7 r.5508 and earlier (7 series) —
Six Apart Movable Type Premium (Software Edition) 2.09 and earlier (2 series), 1.66 and earlier (1 series) —
Six Apart Movable Type Premium (Advanced Edition) (Software Edition) 2.09 and earlier (2 series), 1.66 and earlier (1 series) —
Six Apart Movable Type (Cloud Edition) 8.6.0 (8 series), 7 r.5508 (7 series) —
Six Apart Movable Type Premium (Cloud Edition) 2.09 (2 series), 1.66 (1 series) —

References