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.
Severity
CVSS 3.0
8.0 high
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS
6.5% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)