Some vulnerabilities have been reported in Opera, which can be exploited by malicious people to disclose potentially sensitive information and conduct cross-site scripting attacks.

1) Opera leaks error messages to other sites, which can be exploited to disclose potentially sensitive information and execute arbitrary HTML and script code in a user's browser session in context of an affected site.

Successful exploitation requires that stack traces for exceptions are enabled (disabled by default).

2) A vulnerability when handling certain CSS selectors can be exploited to disclose potentially sensitive information.

For more information see vulnerability #13:
SA39925

Solution
Update to version 10.10.
Further details available in Customer Area

Provided and/or discovered by
1) Reported by the vendor.
2) Chris Evans, Google Security Team.

Changelog
Further details available in Customer Area

Original Advisory
http://www.opera.com/docs/changelogs/windows/1010/
1) http://www.opera.com/support/kb/view/941/
2) http://www.opera.com/support/kb/view/943/

Other references
Further details available in Customer Area

Deep Links
Links available in Customer Area