Vulnerability · Published Feb 19, 2026 · Assigned by Patchstack

CVE-2026-25420WordPress MailerLite plugin <= 1.7.18 - Broken Access Control vulnerability

Medium 4.3

In plain English

A medium-severity missing authorization in MailerLite from MailerLite. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 79.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Missing Authorization vulnerability in MailerLite MailerLite official-mailerlite-sign-up-forms allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MailerLite: from n/a through <= 1.7.18.

Affected products (as reported)

VendorProductVersions
MailerLite MailerLite 0 – through 1.7.18

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References