Facebook HTML and Script code injection vulnerability
Cross-Site Scripting in the "Unblock email address" feature of Facebook's privacy settings.
Antecedentes
Facebook is a social network operated and owned by Facebook, Inc. Users can add friends, send them messages, and update their profile.
Description
The "Unblock email address" feature in the "My Account > Privacy > Block" section of Facebook is vulnerable to Cross-Site Scripting because the unblock_email variable is not properly sanitized in privacy/ajax/block.php. An attacker can inject HTML or script code into the victim's browser and steal their cookies.
Business impact
An attacker can execute arbitrary HTML or script code in a user's browser, allowing them to steal their cookies or take control of their browser.
Affected systems
www.facebook.com.
Solución
Already corrected by the manufacturer.
Calendario de divulgación
References
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