The REST API functions in TeamPass 2.1.27.36 allow any user with a valid API token to bypass IP address whitelist restrictions via an X-Forwarded-For client HTTP header to the getIp function.
TeamPass 2.1.27.36 allows any authenticated TeamPass user to trigger a PHP file include vulnerability via a crafted HTTP request with sources/users.queries.php newValue directory traversal.
TeamPass 2.1.27.36 allows Stored XSS by placing a payload in the username field during a login attempt. When an administrator looks at the log of failed logins, the XSS payload will be executed.
TeamPass 2.1.27.36 allows Stored XSS by setting a crafted password for an item in a common available folder or sharing the item with an admin. (The crafted password is exploitable when viewing the change history of the item or tapping on the item.)