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YaBB 9.1.2000 - Cross-Agent Scripting
source: https://www.securityfocus.com/bid/3828/info
YaBB (Yet Another Bulletin Board) is freely available web forums/community software that is written in Perl. YaBB will run on most Unix/Linux variants, MacOS, and Microsoft Windows 9x/ME/NT/2000/XP platforms.
YaBB is prone to cross-agent scripting attacks via the insertion of HTML tags into image links in messages. Due to insufficient input validation, it is possible to insert arbitrary script code in forum messages/replies. The malicious script code will be executed in the browser of the user viewing the message, in the context of the site running YaBB.
This makes it possible for a malicious user to post a message which is capable of stealing another legitimate user's cookie-based authentication credentials.
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[/img] Data
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09 Jan 2002 00:00Current
7.4High risk
Vulners AI Score7.4