Cross-Site Request Forgery (CSRF) vulnerability in MailerLite – Signup forms (official) plugin <= 1.5.7 at WordPress allows an attacker to change the API key.
https://wordpress.org/plugins/official-mailerlite-sign-up-forms/#developers
https://patchstack.com/database/vulnerability/official-mailerlite-sign-up-forms/wordpress-mailerlite-signup-forms-official-plugin-1-5-7-cross-site-request-forgery-csrf-vulnerability
Source: Mitre, NVD
Published: 2022-08-05
Updated: 2026-06-17
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.00048