CVE-2026-3327
Authenticated DatoCMS Web Previews Plugin Iframe Injection
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.
INFO
Published Date :
Feb. 27, 2026, 3:16 p.m.
Last Modified :
Feb. 27, 2026, 3:16 p.m.
Remotely Exploit :
Yes !
Source :
3ba556a3-57d7-4c5d-b460-9d6daa180ee1
Affected Products
The following products are affected by CVE-2026-3327
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | 3ba556a3-57d7-4c5d-b460-9d6daa180ee1 | ||||
| CVSS 4.0 | MEDIUM | 3ba556a3-57d7-4c5d-b460-9d6daa180ee1 |
Solution
- Update Web Previews plugin to v1.0.31 or later.
- Verify plugin configuration for allowed origins.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-3327.
| URL | Resource |
|---|---|
| https://github.com/datocms/plugins/commit/7965eebf0973cc5ebb18bc5ff9ce7ff19e89bb2e |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-3327 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-3327
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-3327 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-3327 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by 3ba556a3-57d7-4c5d-b460-9d6daa180ee1
Feb. 27, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-79 Added Reference https://github.com/datocms/plugins/commit/7965eebf0973cc5ebb18bc5ff9ce7ff19e89bb2e