@tinacms/web-components: `tina-markdown` writes rich-text link URLs into `href` without scheme validation, allowing stor

Description

<tina-markdown> renders a rich-text AST into the DOM and, for a nodes, assigns the node’s URL straight to the anchor’s href with no scheme check. A link authored in the CMS as javascript:… renders as a live javascript: anchor, so a visitor who clicks it executes attacker-supplied script in the site’s origin.

Recommendation

Update the @tinacms/web-components package to the latest compatible version. Followings are version details:

• Affected version(s): <= 0.2.0
• Patched version(s): 0.2.1

References

• GHSA-c42q-qvc3-j6vg
• CVE-2026-108260
• CWE-79
• CWE-83
• CAPEC-310