Hackers apparently used cross-site scripting attacks to prank YouTube users over the weekend, injecting pop-ups and redirecting viewers to pornographic websites. Google says it's identified and fixed the vulnerability. "Preventing XSS attacks requires a lot of code review and, generally, outside consultants to help," explained ESET's Randy Abrams.
Hackers hit YouTube over the weekend, injecting pop-ups, disabling comments and redirecting viewers to porn sites when they tried to access videos.

Google clamped down on the problem swiftly and is attempting to figure out who was behind the attack.

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