CVE-2011-0683: Opera before 11.01 does not properly restrict the use of opera: URLs, which makes it easier for remote atta...

Security readout for executives and security teams

This is an old Opera browser issue where versions before 11.01 did not properly limit internal opera: URLs. A malicious website could make clickjacking attacks easier, potentially tricking a user into interacting with browser-controlled content without clear intent. Exposure is most likely limited to systems still running legacy Opera versions before 11.01. Modern browser fleets are unlikely to be affected, but unmanaged desktops, kiosks, lab systems, or archived images may retain obsolete Opera installs. Low to moderate, depending on legacy browser presence. If no Opera before 11.01 exists, this is informational. If found, removal should be scheduled because obsolete browsers create broader unmanaged web risk. Mitigation focus: Identify and remove Opera versions before 11.01.; Upgrade affected Opera installations to 11.01 or later per vendor guidance.; Retire unsupported legacy browsers from managed endpoints..

Prepared

Jun 28, 2026, 01:17 UTC (UTC+00:00)

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