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Description
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Multiple vulnerabilities have been reported in Contentpapst, 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 "form[search]" parameter in admin.php (when "file" is set to "news") 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 via the "form[title]", "form[description]", and "form[permalink]" parameters to admin.php when creating a category is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site when the malicious data is being viewed.
3) Input passed via the "form[name]", "form[meta_description]", and "form[permalink]" parameters to admin.php when creating an article is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site when the malicious data is being viewed.
4) Input passed via the "form[newstitle]", "form[permalink]", "form[link1]", "form[link2]", and "form[link3]" parameters to admin.php when creating a news post is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site when the malicious data is being viewed.
Successful exploitation of vulnerabilities #2-#4 requires "Redakteur" privileges.
5) Input passed via the "form[title]", "form[desc]", and "form[url]" parameters to admin.php when creating a link is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site when the malicious data is being viewed.
Successful exploitation of vulnerability #5 requires "Chefredakteur" privileges.
The vulnerabilities are reported in version 2011.2. Other versions may also be affected.
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