Vulnerability · Published Feb 27, 2026 · Assigned by Intigriti
CVE-2026-3327Authenticated DatoCMS Web Previews Plugin Iframe Injection
Medium 4.8
In plain English
A medium-severity cross-site scripting in Web Previews from DatoCMS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Severity (CVSS 4.0)4.8Medium
Exploit odds (30 days)0.4%top 69.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| DatoCMS | Web Previews | < 1.0.31 |
Weakness: CWE-79 · 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