('binary' encoding is not supported, stored as-is) Product: Mailman Affected Version: 2.1 not other version has been tested Vendor's URL: http://www.gnu.org/software/mailman/ Solution: TBC Author: Manuel Rodriguez Introduction: ------------ Mailman is software to help manage electronic mail discussion lists, much like Majordomo or Smartmail. And Mailman have web interface systems. Example: ----------------- This is a simple example for version 2.1: 1) With mailman options the email variable is vulnerable to cross-site scripting. You can recognise the vulnerabilities with this type of URL: https://www.yourserver.com:443/mailman/options/yourlist? language=en&email=<SCRIPT>alert('Can%20Cross%20Site%20Attack')</SCRIPT> and that prove that any (malicious) script code is possible on web interface part of Mailman. 2) The default error page mailman generates does not adequately filter its input making it susceptible to cross-site scripting. https://www.yourserver.com:443//mailman/options/yourlist? language=<SCRIPT>alert('Can%20Cross%20Site%20Attack')</SCRIPT>
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