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Cross-Site Request Forgery occurrences in Stock Management System
A vulnerability was found in rickxy Stock Management System and classified as problematic. This issue affects some unknown processing of the file us_transac.php?action=add. The manipulation leads to cross-site request forgery. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-214331. (2022-11-24, CVE-2022-4090)
A Cross-Site Request Forgery (CSRF) vulnerability in changeUsername.php in SourceCodester Stock Management System v1.0 allows remote attackers to deny future logins by changing an authenticated victim's username when they visit a third-party site. (2020-09-02, CVE-2020-23830)
Why Cross-Site Request Forgery can be dangerous
The absence of Anti-CSRF tokens may lead to a Cross-Site Request Forgery attack that can result in executing a specific application action as another logged in user, e.g. steal their account by changing their email and password or silently adding a new admin user account when executed from the administrator account.
The attacker may copy one of your web application forms, e.g. email/password change form.
The webpage will contain a form with the exact set of fields as the original application but with input values already provided and the submit button replaced with a Javascript code causing auto-submission. When the page is accessed the form will be immediately submitted and page contents replaced with a valid content or a redirect to your original application.
One of your application users who is already logged in can be then tricked to navigate to such malicious page e.g. by clicking a link in a phishing email, and the pre-populated form content will be submitted to your application like it would be submitted by your user.