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Plugin · official-mailerlite-sign-up-forms
MailerLite
7 known vulnerabilities on record. Add your version above to see which ones affect you.
Sep 24, 2026MailerLite – Signup forms (official): Unauthorized modification of dataCVE-2026-3253 · affects up to 1.7.21 · reported by WordfenceMedium 4.3
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.
Feb 19, 2026MailerLite: Missing AuthorizationCVE-2026-25420 · affects up to 1.7.18 · reported by PatchstackMedium 4.3
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.
Dec 12, 2025MailerLite – Signup forms (official): Stored Cross-Site ScriptingCVE-2025-13993 · affects up to 1.7.16 · reported by WordfenceMedium 5.5
The 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.
NVD recordplugins.trac.wordpress.orgplugins.trac.wordpress.org
May 2, 2024MailerLite – Signup forms (official): Unauthorized plugin setting changesCVE-2024-2797 · affects up to 1.7.6 · reported by WordfenceMedium 5.3
The 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.
NVD recordplugins.trac.wordpress.orgplugins.trac.wordpress.org
May 2, 2024MailerLite – Signup forms (official): Stored Cross-Site ScriptingCVE-2024-1386 · affects 1.5.0 to 1.7.6 · reported by WordfenceMedium 6.4
The 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.
NVD recordplugins.trac.wordpress.orgplugins.trac.wordpress.org
Aug 5, 2022MailerLite – Signup forms: Cross-Site Request Forgery (CSRF)CVE-2022-33201 · affects up to 1.5.7 · reported by PatchstackMedium 6.3
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.
Jun 13, 2022MailerLite: Does not sanitise and escape a parameter before outputting it back in the pageCVE-2022-1604 · fixed in 1.5.4 · reported by WPScanMedium 6.1
The 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
Versions are matched against the affected ranges published with each record. A plugin can ship a fix under its own numbering, so if something looks off, check the linked record. Want the whole site checked at once? Run the free website check.
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