CVE-2026-16269 | Newsletters Plugin up to 4.15 on WordPress API Authentication improper authentication

August 8, 2026 Yanac

A vulnerability was found in Newsletters Plugin up to 4.15 on WordPress and classified as critical. Affected by this issue is some unknown functionality of the component API Authentication. Such manipulation leads to improper authentication.

This vulnerability is documented as CVE-2026-16269. The attack can be executed remotely. There is not any exploit available.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More