CVE-2010-1125: The JavaScript implementation in Mozilla Firefox 3.x before 3.5.10 and 3.6.x before 3.6.4, and SeaMonkey be...

Security readout for executives and security teams

CVE-2010-1125 is an old Mozilla browser flaw where a malicious page could redirect selected keystrokes into a hidden frame instead of the visible form the user intended. This could support deceptive data capture in legacy Firefox or SeaMonkey installations. It is not listed as known exploited in KEV. Exposure is most likely limited to legacy systems running outdated Firefox 3.x or SeaMonkey before 2.0.5. Modern browser deployments are unlikely to be affected unless old software remains on unmanaged endpoints, kiosks, lab systems, or unsupported Linux distributions. Treat as a legacy software hygiene issue unless outdated Mozilla browsers are still present. Prioritize discovery and removal or upgrade on high-use endpoints and shared systems. Business urgency is moderate because exploitation requires user interaction and the sources do not indicate active exploitation. Mitigation focus: Upgrade Firefox to 3.5.10, 3.6.4, or later supported versions.; Upgrade SeaMonkey to 2.0.5 or later supported versions.; Apply relevant Linux vendor browser security updates where Mozilla packages are managed by the OS..

Prepared

Jun 28, 2026, 10:15 UTC (UTC+00:00)

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