CVE-2004-1381: Firefox before 1.0 and Mozilla before 1.7.5 allow inactive (background) tabs to focus on input being entere...

Security readout for executives and security teams

This old browser flaw could let a malicious page capture text a user meant to type into another site. The business risk is credential or sensitive data exposure through phishing-like behavior, but exposure should be limited to very obsolete Firefox or Mozilla versions. Likely exposure is limited to legacy endpoints or embedded systems still running Firefox before 1.0 or Mozilla before 1.7.5. Modern managed browsers are not identified as affected in the source bundle. Treat as a legacy technology cleanup item unless obsolete browsers are present in sensitive workflows. If found, prioritize removal because the flaw targets user-entered secrets and supports phishing-style data theft. Mitigation focus: Remove or isolate Firefox before 1.0 and Mozilla before 1.7.5 from use.; Upgrade affected browsers according to Mozilla guidance and supported vendor channels.; Block legacy browser use for sensitive applications where replacement is not immediate..

Prepared

Jun 30, 2026, 01:23 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.