CVE-2025-54856

Summary

Movable Type contains a stored cross-site scripting vulnerability in Edit ContentData page. If crafted input is stored by an attacker with "ContentType Management" privilege, an arbitrary script may be executed on the web browser of the user who accesses Edit ContentData page.

Affected Software

VendorProductVersion RangeStatus
Six Apart Ltd.Movable Type (Software Edition)8.4.0 to 8.4.3 (8.4 series)affected
Six Apart Ltd.Movable Type (Software Edition)8.0.0 to 8.0.7 (8.0 series)affected
Six Apart Ltd.Movable Type (Software Edition)7 r.5509 and earlier (7 series)affected
Six Apart Ltd.Movable Type Advanced (Software Edition)8.4.0 to 8.4.3 (8.4 series)affected
Six Apart Ltd.Movable Type Advanced (Software Edition)8.0.0 to 8.0.7 (8.0 series)affected
Six Apart Ltd.Movable Type Advanced (Software Edition)7 r.5509 and earlier (7 series)affected
Six Apart Ltd.Movable Type Premium (Software Edition)2.10 and earlier (2 series)affected
Six Apart Ltd.Movable Type Premium (Software Edition)1.67 and earlier (1 series)affected
Six Apart Ltd.Movable Type Premium (Advanced Edition) (Software Edition)2.10 and earlier (2 series)affected
Six Apart Ltd.Movable Type Premium (Advanced Edition) (Software Edition)1.67 and earlier (1 series)affected
Six Apart Ltd.Movable Type (Cloud Edition)8.7.0 (8 series)affected
Six Apart Ltd.Movable Type (Cloud Edition)7 r.5509 (7 series)affected
Six Apart Ltd.Movable Type Premium (Cloud Edition)2.10 (2 series)affected
Six Apart Ltd.Movable Type Premium (Cloud Edition)1.67 (1 series)affected

Weaknesses

  • CWE-79: Cross-site scripting (XSS)

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References