Plataformatec Simple Form has Incorrect Access Control in file_method? in lib/simple_form/form_builder.rb, because a user-supplied string is invoked as a method call.
https://github.com/plataformatec/simple_form/security/advisories/GHSA-r74q-gxcg-73hx
https://github.com/plataformatec/simple_form/commits/master
http://blog.plataformatec.com.br/2019/09/incorrect-access-control-in-simple-form-cve-2019-16676/
Source: Mitre, NVD
Published: 2019-09-30
Updated: 2019-10-04
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.0083