Yair Amit has reported a weakness in Google Gears, which can be exploited by malicious people to conduct cross-site scripting attacks.
The weakness is caused due to the Google Gears engine improperly executing scripts loaded from remote sites. This can be exploited to execute arbitrary Google Gears script code in a user's browser session in context of a target domain hosting e.g. a malicious image.
Successful exploitation requires the ability to place files on the target domain.
The weakness is reported in versions prior to 0.5.4.2.
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Subject: Google Gears Cross-Site Scripting Weakness
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