npm/@tinacms/app CVE-2026-55660: high, EPSS 0.28%
TinaCMS: Cross-origin postMessage handlers and rich-text URL-sanitization bypass enable stored XSS and session takeover
Action: Upgrade @tinacms/app to 2.5.6 or later.
npm i @tinacms/app@2.5.6Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.5.6 | - |
Fixed versions
| 2.5.6 |
Sources
- osv: GHSA-g5qx-h5f3-mp2f#npm/@tinacms/app
- https://github.com/tinacms/tinacms/security/advisories/GHSA-g5qx-h5f3-mp2f
- https://github.com/tinacms/tinacms/pull/7056
- https://github.com/tinacms/tinacms
CVE-2026-55660 · published · modified · JSON