presentation

The fragment is a Markdown renderer with two concrete security concerns when source is untrusted: unsanitized raw HTML injection through dangerouslySetInnerHTML and insufficient URL-scheme validation for links. These can enable XSS in affected deployments. No evidence of supply-chain malware, data theft, backdoors, or other malicious intent is present. Raw HTML should be sanitized or disabled, and links should allow only safe schemes such as https, http, and approved relative/hash URLs.