Mailerlite Signup Forms
Vulnerabilities
6
Known exploited
0
Max CVSS
8.8
Top EPSS
0.00815
Severity breakdown
Critical
0
High
1
Medium
5
Low
0
Affected version ranges
1.5.0–1.7.7< 1.5.4< 1.5.8< 1.7.17< 1.7.7≤ 1.7.18
Also matched as (raw): mailerlite_signup_forms
Top vulnerabilities
CVE-2022-33201Cross-Site Request Forgery (CSRF) vulnerability in MailerLite – Signup forms (official) plugin <= 1.5.7 at WordPress allows an attacker to change the API key.
CVE-2024-1386The MailerLite – Signup forms (official) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in versions 1.5.0 to 1.7.6 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVE-2022-1604The MailerLite WordPress plugin before 1.5.4 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting
CVE-2025-13993The MailerLite – Signup forms (official) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'form_description' and 'success_message' parameters in versions up to, and including, 1.7.16 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator access or higher, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVE-2024-2797The MailerLite – Signup forms (official) plugin for WordPress is vulnerable to unauthorized plugin setting changes due to a missing capability check on the toggleRolesAndPermissions and editAllowedRolesAndPermissions functions in all versions up to, and including, 1.7.6. This makes it possible for unauthenticated attackers to allow lower level users to modify forms.
CVE-2026-25420Missing 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.