Cross-site scripting in Six Apart Ltd. Movable Type
Priority LOW 28CWE-79Published · Updated
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 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
Cross-site scripting vulnerability in Movable Type Movable Type 7 r.5301 and earlier (Movable Type 7 Series), Movable Type Advanced 7 r.5301 and earlier (Movable Type Advanced 7 Series), Movable Type 6.8.7 and earlier (Movable Type 6 Series), Movable Type Advanced 6.8.7 and earlier (Movable Type Advanced 6 Series), Movable Type Premium 1.53 and earlier, and Movable Type Premium Advanced 1.53 and earlier allows a remote unauthenticated attacker to inject an arbitrary script.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00541 45th 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 | Movable Type 7 r.5301 and earlier (Movable Type 7 Series), Movable Type Advanced 7 r.5301 and earlier (Movable Type Advanced 7 Series), Movable Type 6.8.7 and earlier (Movable Type 6 Series), Movable Type Advanced 6.8.7 and earlier (Movable Type Advanced 6 Series), Movable Type Premium 1.53 and earlier, and Movable Type Premium Advanced 1.53 and earlier | — | No fix listed | CNA |
- Movable Type VendorSix Apart Ltd. Affected Movable Type 7 r.5301 and earlier (Movable Type 7 Series), Movable Type Advanced 7 r.5301 and earlier (Movable Type Advanced 7 Series), Movable Type 6.8.7 and earlier (Movable Type 6 Series), Movable Type Advanced 6.8.7 and earlier (Movable Type Advanced 6 Series), Movable Type Premium 1.53 and earlier, and Movable Type Premium Advanced 1.53 and earlier Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:premium:*:*:* | up to 1.53 | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:premium_advanced:*:*:* | up to 1.53 | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:* | 6.0 to before 6.8.7 | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:* | 6.0 to before 6.8.7 | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:* | 7.0 to before 7.9.6 | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:* | 7.0 to before 7.9.6 | Vulnerable | Sixapart |
- cpe:2.3:a:sixapart:movable_type:*:*:*:*:premium:*:*:* Versions up to 1.53 Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:*:*:*:*:premium_advanced:*:*:* Versions up to 1.53 Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:* Versions 6.0 to before 6.8.7 Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:* Versions 6.0 to before 6.8.7 Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:* Versions 7.0 to before 7.9.6 Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:* Versions 7.0 to before 7.9.6 Vulnerable ·Sixapart
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-45122
- 2026-10-03 Alias added: GHSA-42qq-mf68-hprg
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-2022-45122 · CVE Program
- CVE-2022-45122 · NVD
- FIRST EPSS
- GHSA-42qq-mf68-hprg · 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