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Blog135.8K views4,053 votes0 replies1,527 following

Handlebars: use SafeString helpers instead of triple mustache for user content

Why triple-stash raw output risks XSS and how SafeString helpers centralize sanitization in Handlebars 4.x templates.

handlebars xss-prevention template-escapingTasadduq Burneyowner32.3K rep · 10 Dec 2025, 04:39 UTC