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.
History

Mon, 28 Sep 2026 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Mailerlite
Mailerlite mailerlite Signup Forms
Wordpress-extensions
Wordpress-extensions mailerlite-signup Forms
Vendors & Products Mailerlite
Mailerlite mailerlite Signup Forms
Wordpress-extensions
Wordpress-extensions mailerlite-signup Forms

Thu, 24 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 24 Sep 2026 11:45:00 +0000

Type Values Removed Values Added
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.
Title MailerLite – Signup forms (official) <= 1.7.21 - Missing Authorization to Authenticated (Contributor+) Form Creation and Deletion
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published: 2026-09-24T11:31:08.940Z

Updated: 2026-09-24T14:34:00.566Z

Reserved: 2026-02-26T11:29:13.850Z

Link: CVE-2026-3253

cve-icon Vulnrichment

Updated: 2026-09-24T14:33:57.475Z

cve-icon NVD

Status : Deferred

Published: 2026-09-24T12:17:12.160

Modified: 2026-09-24T15:17:21.977

Link: CVE-2026-3253

cve-icon Redhat

No data.