CVE-2026-3327
Received Received - Intake
Authenticated Iframe Injection in Dato CMS Web Previews Plugin

Publication date: 2026-02-27

Last updated on: 2026-02-27

Assigner: 3ba556a3-57d7-4c5d-b460-9d6daa180ee1

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.
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Meta Information
Published
2026-02-27
Last Modified
2026-02-27
Generated
2026-06-16
AI Q&A
2026-02-27
EPSS Evaluated
2026-06-15
NVD
CVE-2026-3327
EUVD
EUVD-2026-9031
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
dato cms_web_previews to 1.0.31 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

This vulnerability is an authenticated iframe injection issue in the Dato CMS Web Previews plugin versions before 1.0.31. It allows a malicious user who is authenticated to bypass the restriction that limits the frontend URL to a configured domain. As a result, the attacker can load arbitrary external resources or origins within the iframe.

Impact Analysis

The impact of this vulnerability is that an authenticated attacker can inject iframes that load arbitrary external content. This could lead to security risks such as exposure to malicious external resources, potential data leakage, or unauthorized interactions with external origins that were supposed to be restricted.

Compliance Impact

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Detection Guidance

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