A cross-site request forgery (CSRF) vulnerability in Jenkins Mailer Plugin 391.ve4a_38c1b_cf4b_ and earlier allows attackers to use the DNS used by the Jenkins instance to resolve an attacker-specified hostname.
A missing permission check in Jenkins Mailer Plugin 391.ve4a_38c1b_cf4b_ and earlier allows attackers with Overall/Read access to use the DNS used by the Jenkins instance to resolve an attacker-specified hostname.
Cross-site request forgery (CSRF) vulnerability in the Mailer Plugin 1.20 for Jenkins 2.111 allows remote authenticated users to send unauthorized mail as an arbitrary user via a /descriptorByName/hudson.tasks.Mailer/sendTestMail request.