OWASPASVS 5.0 requirement

ASVS-V5.4.2 File names served (e.g., in http response header fields or email attachments) are encoded or sanitized (e.g., following rfc 6266) to…

L2 Published 2025 Official page ↗
Standard
OWASP ASVS 5.0
Chapter
V5 File Handling
Section
V5.4 File Download
Level
L2 (requirement applies from this verification level up)

Requirement

Verify that file names served (e.g., in HTTP response header fields or email attachments) are encoded or sanitized (e.g., following RFC 6266) to preserve document structure and prevent injection attacks.