Shopify fix guide
Missing X-Content-Type-Options Header on Shopify
Without X-Content-Type-Options: nosniff, browsers may MIME-sniff responses away from the declared content type, enabling attacks.
Issue ID: SEC-XCTO-001Severity: moderateEffort: S
Why this matters
Without X-Content-Type-Options: nosniff, browsers may MIME-sniff responses away from the declared content type, enabling attacks. This affects browser trust signals and whether visitors feel safe submitting contact details.
Shopify fix path
How to fix this on Shopify
Use theme settings, page settings, or theme code.
- 1Find the source of the issue in Shopify admin.
- 2Apply the change.
- 3Preview and publish.
After you fix it
- ✓Check response headers for X-Content-Type-Options: nosniff
Same fix, other platforms
Fix missing x-content-type-options header on a different CMS
Other fixes
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