Description
Jenkins Slack Upload Plugin 1.7 and earlier stores a secret unencrypted in job config.xml files on the Jenkins master where it can be viewed by users with Extended Read permission, or access to the master file system.
Remediation
References
http://www.openwall.com/lists/oss-security/2020/07/02/7
https://jenkins.io/security/advisory/2020-07-02/#SECURITY-1627
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