Log Injection exists in ZoneMinder through 1.32.3, as an attacker can entice the victim to visit a specially crafted link, which in turn will inject a custom Log message provided by the attacker in the 'log' view page, as demonstrated by the message=User%20'admin'%20Logged%20in value.
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
description
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.