--- title: HTML sanitizer description: Remove unwanted code and protect against security concerns such as cross-site scripting attacks by sanitizing HTML markup in HTML fields and translated HTML fields. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/platform-security/c\_HTMLSanitizer.html release: australia topic_type: concept last_updated: "2026-03-12" reading_time_minutes: 1 --- # HTML sanitizer Remove unwanted code and protect against security concerns such as cross-site scripting attacks by sanitizing HTML markup in HTML fields and translated HTML fields.