An authenticated stored cross-site scripting (XSS) vulnerability in The Plugin People Enterprise Mail Handler for Jira Data Center (JEMH) before v4.1.69-dc allows attackers with Administrator privileges to execute arbitrary Javascript in context of a user's browser via injecting a crafted payload into the HTML field of a template.
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages.