CVE-2016-5260: Mozilla Firefox

Medium severity, CVSS 6.5. EPSS: 1.4% chance of exploitation in the next 30 days.

Mozilla Firefox before 48.0 mishandles changes from 'INPUT type="password"' to 'INPUT type="text"' within a single Session Manager session, which might allow attackers to discover cleartext passwords by reading a session restoration file.

Affected products

• Mozilla Firefox: up to and including 47.0.1

Published 2016-08-05. Last modified 2026-06-17.