Some vulnerabilities have been discovered in Employee Timeclock Software, which can be exploited by malicious people to conduct cross-site scripting and cross-site request forgery attacks.
1) 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. add administrative users by tricking a logged-in administrative user into visiting a malicious web site.
2) Input passed to e.g. the "user_id" parameter in edit_user.php and delete_user.php, the "type_id" parameter in edit_type.php and delete_type.php, the "time_id" parameter in edit_entry.php and delete_entry.php, and the "period_id" parameter in view_data.php, view_entry.php, delete_period.php, and edit_period.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.
The vulnerabilities are confirmed in version 0.99. Other versions may also be affected.
Solution: Do not browse untrusted websites or follow untrusted links while being logged-in to the application. Edit the source code to ensure that input is properly sanitised.
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Subject: Employee Timeclock Software Cross-Site Scripting and Request Forgery
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