XSS in Six Apart Ltd. Movable Type (8.0.x Series)
CVE-2025-25054
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (16.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Six Apart Ltd. Movable Type (8.0.x Series) — versions 8.0.5 and earlier
- Six Apart Ltd. Movable Type (8.4.x Series) — versions 8.4.1 and earlier
- Six Apart Ltd. Movable Type Advanced (8.0.x Series) — versions 8.0.5 and earlier
- Six Apart Ltd. Movable Type Advanced (8.4.x Series) — versions 8.4.1 and earlier
- Six Apart Ltd. Movable Type Cloud Edition (8.x Series) — versions 8.4.1 and earlier
- Six Apart Ltd. Movable Type Premium (2.x Series) — versions 2.06 and earlier
- Six Apart Ltd. Movable Type Premium (Advanced Edition) (2.x Series) — versions 2.06 and earlier
- Six Apart Ltd. Movable Type Premium Cloud Edition (2.x Series) — versions 2.06 and earlier
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-25054?
- CVE-2025-25054 is a medium-severity vulnerability in Six Apart Ltd. Movable Type (8.0.x Series), classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-02-19.
- How severe is CVE-2025-25054?
- Medium severity. CVSS v3 base score is 6.1 out of 10.