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Description
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Multiple vulnerabilities have been discovered in Dokeos, which can be exploited by malicious users to conduct script insertion attacks and by malicious people to conduct SQL injection attacks.
1) Input passed via the "extra_phone", "extra_street", "extra_addressline2", "extra_zipcode", and "extra_city" POST parameters to main/auth/profile.php 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.
2) Input passed via the "language" GET parameter to index.php is not properly sanitised before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
3) Input passed via the "txt_subject_id" POST parameter to main/social/groups.php and via the "content" POST parameter to main/messages/new_message.php 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.
The vulnerabilities are confirmed in version 2.1.1. Other versions may also be affected.
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