Multiple cross-site scripting (XSS) vulnerabilities in Jease before 2.9, when creating a comment, allow remote attackers to inject arbitrary web script or HTML via the (1) author, (2) subject, or (3) comment parameter.
https://www.htbridge.com/advisory/HTB23104
https://groups.google.com/forum/?fromgroups#%21topic/jease/2BHaDww-5ac%5B1-25%5D