YaBB hexadecimal URL encoded cross-site scripting

yabb-encoded-css (7840) The risk level is classified as MediumMedium Risk


YaBB (Yet Another Bulletin Board) is vulnerable to cross-site scripting. A remote attacker can post a message that contains hexadecimal URL encoded embedded JavaScript within IMG (image) HTML tags, which would be executed in the victim's Web browser once the message is viewed. An attacker could use this vulnerability to obtain a user's cookie-based authentication credentials or perform other malicious activity.




No remedy available as of September 1, 2014.


Platforms Affected:

  • YaBB YaBB 1 Gold SP1 and prior


Jan 08, 2002

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