Shopware Cross-Site Request Forgery

Shopware is an open source e-commerce software platform. Versions prior to 5.7.9 are vulnerable to malfunction of cross-site request forgery (CSRF) token validation. Under certain circumstances, the CSRF tokens were not generated anew and not validated correctly. This issue is fixed in version 5.7.9. Users of older versions may attempt to mitigate the vulnerability by using the Shopware security plugin. (2022-04-28, CVE-2022-24879)

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.