cross-site scripting

Facebook, News and XSS Underpin Complex Browser Locker Attack

A sophisticated “browser locker” campaign is spreading via Facebook, ultimately pushing a tech-support scam. The effort is more advanced than most, because it involves exploiting a cross-site scripting (XSS) vulnerability on a popular news site, researchers said. Browser lockers are a type of redirection attack where web surfers will click on a site, only to

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