CVE-2026-3253
MEDIUMCVSS 4.3Description
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.
Timeline
Published:September 24th, 2026 12:17 PM
Last modified:September 24th, 2026 3:17 PM
CVSS Scoring
CVSS v3: 4.3 (MEDIUM)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
Source: NIST NVD · Data may lag official sources by up to one minute