CVE-2026-3327 MEDIUM

CVE-2026-3327: Authenticated DatoCMS Web Previews Plugin Iframe Injection

Vendor Datocms

Product Web Previews

Weakness CWE-79 · XSS

Published February 27, 2026

Last update February 27, 2026

View on NVD All CVEs

CVSS base score

4.8/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction —

Confidentiality —

Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 27, 2026 CVE published

February 27, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-3327 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html

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04Related CVE

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