CVE-2026-3253
MEDIUM
NVD
CVSS Score
4.3
Severity
MEDIUM
Published
Sep 24, 2026
Vendor
unknown
Description
The MailerLite – Signup forms (official) plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the forms() method of the AdminController class in all versions up to, and including, 1.7.21. This makes it possible for authenticated attackers, with Contributor-level access and above, to create or delete arbitrary signup forms.