Active Model in Ruby on Rails 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 supports the use of instance-level writers for class accessors, which allows remote attackers to bypass intended validation steps via crafted parameters.
{ "nvd_published_at": "2016-02-16T02:59:07Z", "cwe_ids": [ "CWE-20" ], "severity": "MODERATE", "github_reviewed": true, "github_reviewed_at": "2020-06-16T20:59:56Z" }