fix: sanitize component props to prevent reflected XSS#542
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fix: sanitize component props to prevent reflected XSS#542
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…r-m75h) Query params not matching known OG image options were passed as component props to the Nuxt island renderer. Vue's fallthrough attributes then rendered them as HTML attributes on the root element, enabling injection of event handlers like onmouseover.
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🔗 Linked issue
Resolves GHSA-mg36-wvcr-m75h
❓ Type of change
📚 Description
Query params not matching known OG image options (like
width,height,component) were forwarded as component props to the Nuxt island renderer. Vue's fallthrough attributes then rendered unknown props as HTML attributes on the root element, enabling injection of event handlers (onmouseover,onclick, etc.) and dangerous attributes (autofocus).Adds
sanitizeProps()which stripson*event handlers and a set of dangerous HTML attributes (autofocus,contenteditable,tabindex,accesskey) from props before they reach the island renderer. Includes unit tests.