Advisory: Web page content can display misleading security information
Dialogs such as the security information dialog and download dialog are displayed over the top of the webpage content. In some cases, webpage content will be incorrectly displayed on top of the dialogs, or over parts of the dialogs. This content can then display misleading security information, which may be used to convince a user to trust a malicious download, or to to disclose sensitive information.
Opera Software has released Opera 11.00, where this issue has been fixed.