CVE-2004-0717: Opera 7.51 for Windows and 7.50 for Linux does not properly prevent a frame in one domain from injecting co...

Security readout for executives and security teams

This CVE describes an old Opera browser flaw where a web page frame from one domain could inject content into a frame from another domain. In business terms, it could help attackers make users trust spoofed page content. The public bundle names Opera 7.51 for Windows and 7.50 for Linux. Exposure is most likely limited to legacy systems still running Opera 7.51 on Windows or Opera 7.50 on Linux. Modern managed browser fleets are unlikely to be affected unless obsolete software remains installed or usable. Treat this as a legacy hygiene issue unless affected Opera versions are found. If they exist on business endpoints, prioritize removal because browser spoofing can support credential theft and user deception. Mitigation focus: Inventory endpoints for Opera 7.51 Windows and Opera 7.50 Linux.; Remove or replace affected Opera versions where found.; Check Opera or archived vendor guidance for fixed-version information..

Prepared

Jun 30, 2026, 04:50 UTC (UTC+00:00)

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