CVE-2005-0235: The International Domain Name (IDN) support in Opera 7.54 allows remote attackers to spoof domain names usi...

Security readout for executives and security teams

This issue let attackers make a malicious internationalized domain name look like a trusted domain in Opera 7.54, including in URLs and SSL certificate display. The business risk is phishing: users could be tricked into trusting the wrong site. The source bundle does not show active exploitation. Exposure is most plausible on legacy endpoints still using Opera 7.54 or systems relying on similarly old IDN display behavior. Current enterprise exposure cannot be determined from the bundle. Treat this as a legacy phishing-risk cleanup item, not an emergency patch event. Prioritize if unsupported browsers remain in the environment or users access sensitive services from unmanaged devices. Mitigation focus: Identify and retire Opera 7.54 from managed and unmanaged endpoints.; Check vendor or distribution advisories for supported browser updates or configuration guidance.; Prefer modern, supported browsers with current IDN homograph protections..

Prepared

Jun 30, 2026, 01:08 UTC (UTC+00:00)

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