Chef Sinatra Plugin 1.20 and earlier does not perform a permission check in a method implementing form validation.
As the plugin does not configure its XML parser to prevent XML external entity (XXE) attacks, attackers can have Jenkins parse a crafted XML response that uses external entities for extraction of secrets from the Jenkins controller or server-side request forgery.
{
"nvd_published_at": "2022-02-15T17:15:00Z",
"cwe_ids": [
"CWE-611"
],
"severity": "HIGH",
"github_reviewed_at": "2022-02-16T22:45:12Z",
"github_reviewed": true
}