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.
References (1)
Core 1
Scores
CVSS v4
4.8
EPSS
0.0002
EPSS Percentile
6.8%
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
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (1)
DatoCMS/Web Previews
< 1.0.31
Published
Feb 27, 2026
Tracked Since
Feb 27, 2026