All versions up to V1.19.20.02 of ZTE OTCP product are impacted by XSS vulnerability. Due to XSS, when an attacker invokes the security management to obtain the resources of the specified operation code owned by a user, the malicious script code could be transmitted in the parameter. If the front end does not process the returned result from the interface properly, the malicious script may be executed and the user cookie or other important information may be stolen.