CVE-2026-3327
Medium
Description
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.
SeverityMedium
CVSS4.8
Exploit probability—
Product
Web Previews
PublishedFeb 27, 2026
First seenFeb 27, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| DatoCMS Web Previews | < 1.0.31 | — |
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