In strategy.rb in OmniAuth before 1.3.2, the authenticity_token value is improperly protected because POST (in addition to GET) parameters are stored in the session and become available in the environment of the callback phase.
{
"nvd_published_at": null,
"github_reviewed_at": "2020-06-16T21:29:12Z",
"severity": "HIGH",
"cwe_ids": [],
"github_reviewed": true
}