vulnerability · Fri 09 Oct 2026 · 20:56 UTC
GHSA-c42q-qvc3-j6vg: @tinacms/web-components: `tina-markdown` writes rich-text link URLs into `href` without scheme validation
Filed UTCSource GTH ↗
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. Every sibling renderer in the repository already sanitizes these URLs; this one does not. …
Signals
as the pipeline stamped them- High
- High-risk vulnerability — CVSS 7.6
CVE
KEV from CISA · EPSS from FIRST| Id | KEV | EPSS | Reference |
|---|---|---|---|
| CVE-2026-108260 | — | 0.21% | NVD ↗ |
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