A Stored Cross-Site Scripting (XSS) vulnerability in Webkul Krayin CRM 1.3.0 allows remote attackers to inject arbitrary JavaScript code by submitting a malicious payload within the username field. This can lead to privilege escalation when the payload is executed, granting the attacker elevated permissions within the CRM system.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.