CVE-2013-6416: Rubyonrails Rails

Medium severity, CVSS 4.3. EPSS: 2% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the simple_format helper in actionpack/lib/action_view/helpers/text_helper.rb in Ruby on Rails 4.x before 4.0.2 allows remote attackers to inject arbitrary web script or HTML via a crafted HTML attribute.

Affected products

• Rubyonrails Rails: up to and including 4.0.1; version 4.0.0 only; version 4.0.1 only

Published 2013-12-07. Last modified 2026-06-17.