Debian Security Advisory 1241-1 - In Squirrelmail, Martijn Brinkers discovered cross site scripting vulnerabilities in the the mailto parameter of webmail.php, the session and delete_draft parameters of compose.php and through a shortcoming in the magicHTML filter. An attacker could abuse these to execute malicious JavaScript in the user's webmail session.
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Mandriva Linux Security Advisory - Multiple cross site scripting (XSS) vulnerabilities in SquirrelMail 1.4.0 through 1.4.9 allow remote attackers to inject arbitrary web script or HTML via the mailto parameter in webmail.php, the session and delete_draft parameters in compose.php, and unspecified vectors involving "a shortcoming in the magicHTML filter."
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