npm/@tinacms/mdx CVE-2026-55661: medium, EPSS 0.40%
TinaCMS rich-text (slatejson) rendering does not sanitize link/image URLs, allowing stored XSS via dangerous URL schemes
Action: Upgrade @tinacms/mdx to 2.1.7 or later.
npm i @tinacms/mdx@2.1.7Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.1.7 | - |
Fixed versions
| 2.1.7 |
Sources
- osv: GHSA-2vcc-5v34-9jc8#npm/@tinacms/mdx
- https://github.com/tinacms/tinacms/security/advisories/GHSA-2vcc-5v34-9jc8
- https://github.com/tinacms/tinacms/pull/7056
- https://github.com/tinacms/tinacms
CVE-2026-55661 · published · modified · JSON