OpenCart 3.0.3.6 is affected by cross-site scripting (XSS) in the Subject field of mail. This vulnerability can allow an attacker to inject the XSS payload in the Subject field of the mail and each time any user will open that mail of the website, the XSS triggers and the attacker can able to steal the cookie according to the crafted payload.

OpenCart 3.0.3.6 is affected by cross-site scripting (XSS) in the Profile Image. An admin can upload a profile image as a malicious code using JavaScript. Whenever anyone will see the profile picture, the code will execute and XSS will trigger.

Cross Site Request Forgery (CSRF) in CART option in OpenCart Ltd. Opencart CMS 3.0.3.6 allows attacker to add cart items via Add to cart.