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stack/apps
Jason WoltjeandClaude Opus 4.6 ef1f1eee9d fix(SEC-API-17): Block data: URI scheme in markdown renderer
Remove data: from allowedSchemesByTag for img tags and add transformTags
filters for both <a> and <img> elements that strip data: URI schemes
(including mixed-case and whitespace-padded variants). This prevents
XSS/CSRF attacks via embedded data URIs in markdown content.

Co-Authored-By: Claude Opus 4.6 <[email protected]>
2026-02-06 13:22:46 -06:00
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