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OpenAdvisories
Medium · 5.4 CVE-2026-22875 EUVD-2026-5469

Movable Type contains a stored cross-site scripting vulnerability in Export Sites. If crafted input is stored by an attacker, arbitrary scr…

Published Feb 4, 2026 · Updated Feb 4, 2026 · Assigned by jpcert

Description

Movable Type contains a stored cross-site scripting vulnerability in Export Sites. If crafted input is stored by an attacker, arbitrary script may be executed on a logged-in user's web browser. Note that Movable Type 7 series and 8.4 series, which are End-of-Life (EOL), are affected by the vulnerability as well.

Affected products

VendorProductAffectedFixed
Six Apart Movable Type (Software Edition) 9.0.4 to 9.0.5 (9.0 series), 8.8.0 to 8.8.1 (8.8 series), 8.0.2 to 8.0.8 (8.0 series) —
Six Apart Movable Type Advanced (Software Edition) 9.0.4 to 9.0.5 (9.0 series), 8.8.0 to 8.8.1 (8.8 series), 8.0.2 to 8.0.8 (8.0 series) —
Six Apart Movable Type Premium (Software Edition) 9.0.4 (MTP 9.0 series), 2.13 and earlier (MTP 2 series) —
Six Apart Movable Type Premium (Advanced Edition) (Software Edition) 9.0.4 (MTP 9.0 series), 2.13 and earlier (MTP 2 series) —
Six Apart Movable Type (Cloud Edition) 9.0.5 (9 series), 8.8.1 (8 series) —
Six Apart Movable Type Premium (Cloud Edition) 9.0.5 (9 series), 2.12 (MTP 2 series) —

References