Google Cross-Site Scripting Flaw Fixed
Google has fixed a cross-site scripting vulnerability on its Web site, according to security firm Watchfire. The flaw allowed an attacker to impersonate legitimate Google services in order to launch a phishing attack. The search engine applauded the firm for withholding disclosure until it could fix the problem.
The XSS flaw existed in how Google redirected users in its error pages. An attacker could use UTF-7 characters to take advantage of the vulnerability and insert malicious JavaScript into the URL, the firm said. According to Watchfire, Google fixed the problem on December 1, just two weeks after it had been alerted to the problem.
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