Title: WEBsweeper Script Filtering Bypass Vulnerability
Severity: HIGH
Description:
WEBsweeper is an application which sanitizes malicious web content. Suspicious filetypes, hidden mailtos, cookies, scripts, etc. can all be filtered by WEBsweeper users.
WEBsweeper does not adequately filter scripting code from web pages. Malformed variations of <SCRIPT> will not be filtered from the HTML that WEBsweeper generates when a user views a webpage.
The following two examples will bypass the script filtering functionality provided by WEBsweeper:
<<SCRIPT language="javascript">
<SC<SCRIPT language="javascript"> </SCRIPT>RIPT language="javascript">
Exploitation of this issue will allow a webmaster to execute malicious scripting code on the web user.
Affected Products:
- Baltimore Technologies WEBsweeper 4.0.0
- Baltimore Technologies WEBsweeper 4.0.0 2
References:
- Baltimore Technologies: WEBsweeper Product Page
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