Html Sanitizer Laravel Package
symfony/html-sanitizer
Object-oriented HTML sanitizer for PHP/Symfony. Safely cleans untrusted HTML for DOM insertion with configurable allow/block/drop rules, attribute policies, forced values, and URL controls (HTTPS and scheme/host allowlists). Removes scripts and unsafe behaviors.
Symfony’s HtmlSanitizer component provides an object-oriented API to sanitize untrusted HTML before inserting it into the DOM. It helps prevent common XSS vectors by allowing you to define a clear policy for which elements, attributes, and URL schemes are permitted.
Build a reusable HtmlSanitizerConfig that can allow, block, or drop specific tags and attributes, enforce safer defaults, and normalize links for consistent output.
- Allow safe/static elements while stripping scripts and unsafe behaviors
- Fine-grained rules to allow/block/drop elements (with or without children)
- Control attributes: allow/drop/force values per element or globally
- Enforce link safety with HTTPS forcing and scheme/host whitelists
- Standards-aligned defaults via the W3C Sanitizer API configuration
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