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Description
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Multiple vulnerabilities have been discovered in Ajax Availability Calendar, which can be exploited by malicious people to conduct cross-site scripting, request forgery, and SQL injection attacks.
1) Input passed via the "id_item" 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.
2) Input passed via the "id_item" parameter to index.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.
3) The application allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to e.g. create a user with administrative privileges when a logged-in administrative user visits a specially crafted web page.
The vulnerabilities are confirmed in version 3.03.07. Other versions may also be affected.
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