XSS in Datocms Web Previews
CVE-2026-3327
Authenticated Iframe Injection in Dato CMS Web Previews plugin. This vulnerability permits a malicious authenticated user to circumvent the restriction enforced on the configured frontend URL, enabling the loading of arbitrary external resources or origins. This issue affects Web Previews < v1.0.31.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.003 (25.2th percentile) — read the EPSS interpretation.
Affected products
- Datocms Web Previews — versions < 1.0.31