A vulnerability has been identified in Opera, which could be exploited by attackers to execute arbitrary scripting code. This issue is due to an error when processing web pages that accept user content and do not specify the character set or encoding used, which could be exploited to bypass security restrictions and conduct cross site scripting attacks.
Credits
Vulnerability reported by Stefan Esser
ChangeLog
2007-02-26 : Initial release
2007-04-11 : Updated Solution
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