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TI-2025-18723 Aliases CVE-2025-25054GHSA-qj2g-cp58-9mf6

Cross-site scripting in Six Apart Ltd. Movable Type

Priority LOW 27CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Movable Type contains a reflected cross-site scripting vulnerability in the user information edit page. When Multi-Factor authentication plugin is enabled and a user accesses a crafted page while logged in to the affected product, an arbitrary script may be executed on the web browser of the user.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00258 17th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Six Apart Ltd.Movable Type (8.4.x series)up to 8.4.1—No fix listedCNA
Six Apart Ltd.Movable Type (8.0.x series)up to 8.0.5—No fix listedCNA
Six Apart Ltd.Movable Type Advanced (8.4.x series)up to 8.4.1—No fix listedCNA
Six Apart Ltd.Movable Type Advanced (8.0.x series)up to 8.0.5—No fix listedCNA
Six Apart Ltd.Movable Type Premium (2.x series)up to 2.06—No fix listedCNA
Six Apart Ltd.Movable Type Premium (Advanced Edition) (2.x series)up to 2.06—No fix listedCNA
Six Apart Ltd.Movable Type Cloud Edition (8.x series)up to 8.4.1—No fix listedCNA
Six Apart Ltd.Movable Type Premium Cloud Edition (2.x series)up to 2.06—No fix listedCNA
  • Movable Type (8.4.x series) VendorSix Apart Ltd. Affected up to 8.4.1 Fixed in — No fix listed CNA
  • Movable Type (8.0.x series) VendorSix Apart Ltd. Affected up to 8.0.5 Fixed in — No fix listed CNA
  • Movable Type Advanced (8.4.x series) VendorSix Apart Ltd. Affected up to 8.4.1 Fixed in — No fix listed CNA
  • Movable Type Advanced (8.0.x series) VendorSix Apart Ltd. Affected up to 8.0.5 Fixed in — No fix listed CNA
  • Movable Type Premium (2.x series) VendorSix Apart Ltd. Affected up to 2.06 Fixed in — No fix listed CNA
  • Movable Type Premium (Advanced Edition) (2.x series) VendorSix Apart Ltd. Affected up to 2.06 Fixed in — No fix listed CNA
  • Movable Type Cloud Edition (8.x series) VendorSix Apart Ltd. Affected up to 8.4.1 Fixed in — No fix listed CNA
  • Movable Type Premium Cloud Edition (2.x series) VendorSix Apart Ltd. Affected up to 2.06 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-25054
  2. 2026-10-03 Alias added: GHSA-qj2g-cp58-9mf6

References

  • TI-2021-04052 OS command injection in Six Apart Ltd. Movable Type CVSS 3.1CRITICAL 9.8
  • TI-2026-20843 Code injection in Six Apart Ltd. Movable Type CVSS 4.0CRITICAL 9.3
  • TI-2026-69104 Code injection in Movable Type upgrade script CVSS 4.0CRITICAL 9.3
  • TI-2022-17791 Code injection in Six Apart Ltd. Movable Type XMLRPC API CVSS 3.1CRITICAL 9.8
  • TI-2026-69105 SQL injection in Movable Type Site Search function CVSS 4.0HIGH 8.8
  • TI-2020-04547 Unrestricted file upload in Six Apart Ltd. Movable Type CVSS 3.1HIGH 8.8
See all 53 →

Sources