Luny has discovered several vulnerabilities in Fix And Chips CMS System, which can be exploited by malicious users to conduct script insertion attacks and by malicious people to conduct cross-site scripting attacks.
1) Input passed to the "id" parameter in delete-announce.php is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
2) Input passed to the form field "Announcement" in staff.php and the form fields "Client Name", "Business Name", "Street", "Address 2", "Town/City", "Postcode", "Phone Number", "Email Address" and "Website Address" in new_customer.php is not properly sanitised before being stored. This can be exploited to insert arbitrary HTML and script code, which is executed in a user's browser session in context of an affected site when the offending data is viewed.
Successful exploitation of this vulnerability requires valid user credentials.
The vulnerabilities are confirmed in version 1.0. Other versions may also be affected.
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Subject: Fix And Chips CMS System Cross-Site Scripting and Script Insertion
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