CVE-2007-3089: Mozilla Firefox before 2.0.0.5 does not prevent use of document.write to replace an IFRAME (1) during the l...

Security readout for executives and security teams

This is an old Firefox browser flaw where a malicious page could abuse iframe loading behavior to replace content and run limited script in a way that could capture user input. The main business risk is legacy browser exposure, not modern enterprise fleets, based on the supplied sources. Exposure is likely limited to environments still running Firefox before 2.0.0.5 or old vendor-maintained browser packages. The bundle does not identify affected modern browsers, server-side products, or default enterprise software beyond Firefox-era packages. Low immediate priority for modern fleets, but moderate priority for legacy or regulated environments where old browsers may remain. Treat as a cleanup and unsupported-software risk unless inventory shows affected Firefox versions. Mitigation focus: Upgrade Firefox to 2.0.0.5 or later where applicable.; Apply relevant vendor browser package updates from supported distributions.; Remove unsupported legacy Firefox builds from managed endpoints..

Prepared

Jun 29, 2026, 05:15 UTC (UTC+00:00)

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