Cross-site scripting in Six Apart Ltd. Movable Type
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
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Six Apart Ltd. | Movable Type (8.4.x series) | up to 8.4.1 | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type (8.0.x series) | up to 8.0.5 | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Advanced (8.4.x series) | up to 8.4.1 | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Advanced (8.0.x series) | up to 8.0.5 | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Premium (2.x series) | up to 2.06 | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Premium (Advanced Edition) (2.x series) | up to 2.06 | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Cloud Edition (8.x series) | up to 8.4.1 | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Premium Cloud Edition (2.x series) | up to 2.06 | — | No fix listed | CNA |
- 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
- 2026-10-02 Threatist record created from CVE-2025-25054
- 2026-10-03 Alias added: GHSA-qj2g-cp58-9mf6
References
More Six Apart Ltd. vulnerabilities
- 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
Sources
- CVE-2025-25054 · CVE Program
- CVE-2025-25054 · NVD
- FIRST EPSS
- GHSA-qj2g-cp58-9mf6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences