Dato CMS Web Previews CVE-2026-3327
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
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.
Technical ContextAI
Classified as CWE-79 (Cross-site Scripting (XSS)). 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.
Affected ProductsAI
Authenticated Iframe Injection in Dato CMS Web Previews plugin
RemediationAI
Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers.
Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
Leaving vuln.today