Multiple cross-site scripting (XSS) vulnerabilities in Six Apart Movable Type (MT) before…
Priority LOW 22CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Multiple cross-site scripting (XSS) vulnerabilities in Six Apart Movable Type (MT) before 4.23 allow remote attackers to inject arbitrary web script or HTML via a (1) MTEntryAuthorUsername, (2) MTAuthorDisplayName, (3) MTEntryAuthorDisplayName, or (4) MTCommenterName field in a Profile View template; a (5) listing screen or (6) edit screen in the CMS app; (7) a TrackBack title, related to the HTML sanitization library; or (8) a user archive name (aka archive title) on a published Community Blog template.
Why it matters now
EPSS 0.0105 64th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 17
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sixapart:movable_type:*:*:*:*:*:*:*:* | up to 4.21 | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:3.0d:*:*:*:*:*:*:* | 3.0d | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:3.1:*:*:*:*:*:*:* | 3.1 | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:3.01d:*:*:*:*:*:*:* | 3.01d | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:3.2:*:*:*:*:*:*:* | 3.2 | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:3.3:*:*:*:*:*:*:* | 3.3 | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:3.11:*:*:*:*:*:*:* | 3.11 | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:3.12:*:*:*:*:*:*:* | 3.12 | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:3.14:*:*:*:*:*:*:* | 3.14 | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:3.15:*:*:*:*:*:*:* | 3.15 | Vulnerable | Sixapart |
- cpe:2.3:a:sixapart:movable_type:*:*:*:*:*:*:*:* Versions up to 4.21 Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:3.0d:*:*:*:*:*:*:* Versions 3.0d Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:3.01d:*:*:*:*:*:*:* Versions 3.01d Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:3.3:*:*:*:*:*:*:* Versions 3.3 Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:3.11:*:*:*:*:*:*:* Versions 3.11 Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:3.12:*:*:*:*:*:*:* Versions 3.12 Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:3.14:*:*:*:*:*:*:* Versions 3.14 Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:3.15:*:*:*:*:*:*:* Versions 3.15 Vulnerable ·Sixapart
Show 7 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sixapart:movable_type:3.16:*:*:*:*:*:*:* | 3.16 | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:3.17:*:*:*:*:*:*:* | 3.17 | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:3.32:*:*:*:*:*:*:* | 3.32 | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:3.33:*:*:*:*:*:*:* | 3.33 | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:3.34:*:*:*:*:*:*:* | 3.34 | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:3.35:*:*:*:*:*:*:* | 3.35 | Vulnerable | Sixapart |
| cpe:2.3:a:sixapart:movable_type:4.2:*:*:*:*:*:*:* | 4.2 | Vulnerable | Sixapart |
- cpe:2.3:a:sixapart:movable_type:3.16:*:*:*:*:*:*:* Versions 3.16 Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:3.17:*:*:*:*:*:*:* Versions 3.17 Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:3.32:*:*:*:*:*:*:* Versions 3.32 Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:3.33:*:*:*:*:*:*:* Versions 3.33 Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:3.34:*:*:*:*:*:*:* Versions 3.34 Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:3.35:*:*:*:*:*:*:* Versions 3.35 Vulnerable ·Sixapart
- cpe:2.3:a:sixapart:movable_type:4.2:*:*:*:*:*:*:* Versions 4.2 Vulnerable ·Sixapart
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2008-5845
- 2026-10-03 Alias added: GHSA-q59j-r89m-6v8h
References
More Sixapart Movable Type vulnerabilities
- TI-2021-04052 OS command injection in Six Apart Ltd. Movable Type CVSS 3.1CRITICAL 9.8
- TI-2015-01424 Movable Type Pro, Open Source, and Advanced before 5.2.12 and Pro and Advanced 6.0.x… CVSS 2.0HIGH 7.5
- TI-2013-00143 lib/MT/Upgrade.pm in mt-upgrade.cgi in Movable Type 4.2x and 4.3x through 4.38 does not… CVSS 2.0HIGH 7.5
- TI-2026-20843 Code injection in Six Apart Ltd. Movable Type CVSS 4.0CRITICAL 9.3
- TI-2022-17791 Code injection in Six Apart Ltd. Movable Type XMLRPC API CVSS 3.1CRITICAL 9.8
- TI-2009-00717 Unspecified vulnerability in Movable Type Pro and Community Solution 4.x before 4.24 has… CVSS 2.0HIGH 10.0
Sources
- CVE-2008-5845 · CVE Program
- CVE-2008-5845 · NVD
- FIRST EPSS
- GHSA-q59j-r89m-6v8h · 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