Movable Type contains an issue with use of less trusted source.
Priority LOW 36CWE-348Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Movable Type contains an issue with use of less trusted source. If exploited, tampered email to reset a password may be sent by a remote unauthenticated attacker.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00175 6th 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
- Yes
- 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 (Software Edition) | 8.0.0 to 8.0.6; 8.4.0 to 8.4.2 (8 series) | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type (Software Edition) | 7 r.5508 and earlier (7 series) | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Advanced (Software Edition) | 8.0.0 to 8.0.6; 8.4.0 to 8.4.2 (8 series) | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Advanced (Software Edition) | 7 r.5508 and earlier (7 series) | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Premium (Software Edition) | 2.09 and earlier (2 series) | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Premium (Software Edition) | 1.66 and earlier (1 series) | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Premium (Advanced Edition) (Software Edition) | 2.09 and earlier (2 series) | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Premium (Advanced Edition) (Software Edition) | 1.66 and earlier (1 series) | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type (Cloud Edition) | 8.6.0 (8 series) | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type (Cloud Edition) | 7 r.5508 (7 series) | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Premium (Cloud Edition) | 2.09 (2 series) | — | No fix listed | CNA |
| Six Apart Ltd. | Movable Type Premium (Cloud Edition) | 1.66 (1 series) | — | No fix listed | CNA |
- Movable Type (Software Edition) VendorSix Apart Ltd. Affected 8.0.0 to 8.0.6; 8.4.0 to 8.4.2 (8 series) Fixed in — No fix listed CNA
- Movable Type (Software Edition) VendorSix Apart Ltd. Affected 7 r.5508 and earlier (7 series) Fixed in — No fix listed CNA
- Movable Type Advanced (Software Edition) VendorSix Apart Ltd. Affected 8.0.0 to 8.0.6; 8.4.0 to 8.4.2 (8 series) Fixed in — No fix listed CNA
- Movable Type Advanced (Software Edition) VendorSix Apart Ltd. Affected 7 r.5508 and earlier (7 series) Fixed in — No fix listed CNA
- Movable Type Premium (Software Edition) VendorSix Apart Ltd. Affected 2.09 and earlier (2 series) Fixed in — No fix listed CNA
- Movable Type Premium (Software Edition) VendorSix Apart Ltd. Affected 1.66 and earlier (1 series) Fixed in — No fix listed CNA
- Movable Type Premium (Advanced Edition) (Software Edition) VendorSix Apart Ltd. Affected 2.09 and earlier (2 series) Fixed in — No fix listed CNA
- Movable Type Premium (Advanced Edition) (Software Edition) VendorSix Apart Ltd. Affected 1.66 and earlier (1 series) Fixed in — No fix listed CNA
- Movable Type (Cloud Edition) VendorSix Apart Ltd. Affected 8.6.0 (8 series) Fixed in — No fix listed CNA
- Movable Type (Cloud Edition) VendorSix Apart Ltd. Affected 7 r.5508 (7 series) Fixed in — No fix listed CNA
- Movable Type Premium (Cloud Edition) VendorSix Apart Ltd. Affected 2.09 (2 series) Fixed in — No fix listed CNA
- Movable Type Premium (Cloud Edition) VendorSix Apart Ltd. Affected 1.66 (1 series) Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-53522
- 2026-10-03 Alias added: GHSA-q3q7-94pw-4c94
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-2025-53522 · CVE Program
- CVE-2025-53522 · NVD
- FIRST EPSS
- GHSA-q3q7-94pw-4c94 · 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