Description
The sanitize helper in lib/action_controller/vendor/html-scanner/html/sanitizer.rb in the Action Pack component in Ruby on Rails before 2.3.18, 3.0.x and 3.1.x before 3.1.12, and 3.2.x before 3.2.13 does not properly handle encoded : (colon) characters in URLs, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted scheme name, as demonstrated by including a : sequence.
Remediation
References
Related Vulnerabilities
WordPress Plugin Spam protection, AntiSpam, FireWall by CleanTalk Cross-Site Scripting (5.113)
WordPress Plugin Product Addons & Fields for WooCommerce Arbitrary File Upload (1.1)
Oracle Database Server CVE-2010-3600 Vulnerability (CVE-2010-3600)
Ampache Improper Access Control Vulnerability (CVE-2021-21399)