PT-2026-20742 · Mailerlite · Mailerlite

Daroo · Published 2026-02-19 · Updated 2026-02-19 · CVE-2026-25420

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions MailerLite versions through 1.7.18

Description An issue exists in MailerLite official-mailerlite-sign-up-forms related to incorrectly configured access control security levels, allowing for missing authorization. The vulnerability allows exploitation of access control.

Recommendations Update MailerLite to a version later than 1.7.18.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2026-25420

Affected Products

Mailerlite

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-25420 · Security Note
• https://patchstack.com/database/Wordpress/Plugin/official-mailerlite-sign-up-forms/vulnerability/wordpress-mailerlite-plugin-1-7-18-broken-access-control-vulnerability?_s_id=cve · Note
• https://twitter.com/CVEnew/status/2024411344292774202 · Twitter Post