Missing authorization in Six Apart Ltd. Movable Type
Priority LOW 24CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
Missing authorization vulnerability exists in Movable Type. Under certain conditions, when a user without administrator privileges signs in to the product, unintended update processing may be executed.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00249 16th 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Six Apart Ltd. | Movable Type | up to 9.1.1 | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type | up to 9.0.7 | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type | up to 8.8.3 | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type | up to 8.0.10 | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Advanced | 9.1.1 and earlie | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Advanced | up to 9.0.7 | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Advanced | up to 8.8.3 | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Advanced | up to 8.0.10 | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Premium | up to 9.1.1 | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Premium | up to 9.0.7 | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Premium | 2.15 and earlier (included in Movable Type 8.8.4 and earlier or Movable Type 8.0.11 and earlier) | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Premium (Advanced Edition) | up to 9.1.1 | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Premium (Advanced Edition) | up to 9.0.7 | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Premium (Advanced Edition) | 2.15 and earlier (included in Movable Type 8.8.4 and earlier or Movable Type 8.0.11 and earlier) | — | No fix listed | CNA |
- Movable Type VendorSix Apart Ltd. Affected up to 9.1.1 Fixed in — No fix listed CNA
- Movable Type VendorSix Apart Ltd. Affected up to 9.0.7 Fixed in — No fix listed CNA
- Movable Type VendorSix Apart Ltd. Affected up to 8.8.3 Fixed in — No fix listed CNA
- Movable Type VendorSix Apart Ltd. Affected up to 8.0.10 Fixed in — No fix listed CNA
- Movable Type Advanced VendorSix Apart Ltd. Affected 9.1.1 and earlie Fixed in — No fix listed CNA
- Movable Type Advanced VendorSix Apart Ltd. Affected up to 9.0.7 Fixed in — No fix listed CNA
- Movable Type Advanced VendorSix Apart Ltd. Affected up to 8.8.3 Fixed in — No fix listed CNA
- Movable Type Advanced VendorSix Apart Ltd. Affected up to 8.0.10 Fixed in — No fix listed CNA
- Movable Type Premium VendorSix Apart Ltd. Affected up to 9.1.1 Fixed in — No fix listed CNA
- Movable Type Premium VendorSix Apart Ltd. Affected up to 9.0.7 Fixed in — No fix listed CNA
- Movable Type Premium VendorSix Apart Ltd. Affected 2.15 and earlier (included in Movable Type 8.8.4 and earlier or Movable Type 8.0.11 and earlier) Fixed in — No fix listed CNA
- Movable Type Premium (Advanced Edition) VendorSix Apart Ltd. Affected up to 9.1.1 Fixed in — No fix listed CNA
- Movable Type Premium (Advanced Edition) VendorSix Apart Ltd. Affected up to 9.0.7 Fixed in — No fix listed CNA
- Movable Type Premium (Advanced Edition) VendorSix Apart Ltd. Affected 2.15 and earlier (included in Movable Type 8.8.4 and earlier or Movable Type 8.0.11 and earlier) Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-44392
- 2026-10-03 Alias added: GHSA-98gq-cq48-6gcm
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-2026-44392 · CVE Program
- CVE-2026-44392 · NVD
- FIRST EPSS
- GHSA-98gq-cq48-6gcm · 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