CVE-2018-15669

5.3 mediumEPSS 0.9%

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.

Severity

CVSS 3.0

5.3 medium

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)
Published: 2018-08-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

bloop:airmail_3

References

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

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