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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (15.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 15.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
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.