OWASPASVS 5.0 requirement

ASVS-V1.3.1 All untrusted html input from wysiwyg editors or similar is sanitized using a well-known and secure html sanitization library or framework…

L1 Published 2025 Official page ↗
Standard
OWASP ASVS 5.0
Chapter
V1 Encoding and Sanitization
Section
V1.3 Sanitization
Level
L1 (requirement applies from this verification level up)

Requirement

Verify that all untrusted HTML input from WYSIWYG editors or similar is sanitized using a well-known and secure HTML sanitization library or framework feature.