MEDIUM 4.3 NVD
CVE-2026-3253
The MailerLite – Signup forms (official) plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the forms(
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.
References
- https://plugins.trac.wordpress.org/changeset/3505999/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/1d845767-1e5f-43f0-9fc6-a897c2d5
This medium severity vulnerability with a CVSS score of 4.3 was published on 2026-09-24 via NVD.
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