[org.jenkins-ci.plugins:rocketchatnotifier] Missing permission check in Jenkins RocketChat Notifier Plugin

RocketChat Notifier Plugin 1.4.10 and earlier does not perform a permission check in a method implementing form validation.
This allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified username and password.

References

• https://nvd.nist.gov/vuln/detail/CVE-2022-28139
• https://www.jenkins.io/security/advisory/2022-03-29/#SECURITY-2241
• http://www.openwall.com/lists/oss-security/2022/03/29/1
• https://github.com/advisories/GHSA-4p8f-2fwv-6xcw