CVE-2009-2065: Mozilla Firefox

Medium severity, CVSS 6.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Mozilla Firefox 3.0.10, and possibly other versions, detects http content in https web pages only when the top-level frame uses https, which allows man-in-the-middle attackers to execute arbitrary web script, in an https site's context, by modifying an http page to include an https iframe that references a script file on an http site, related to "HTTP-Intended-but-HTTPS-Loadable (HPIHSL) pages."

Affected products

• Mozilla Firefox: up to and including 3.0.9; version 0.1 only; version 0.2 only; version 0.3 only; version 0.4 only; version 0.5 only; …

Published 2009-06-15. Last modified 2026-06-16.