medium6.5
CVE-2026-16264
The Newsletters WordPress plugin before 4.18.1 does not perform an ownership check on some of its subscriber management actions, and issues a management sessio…
Impact
The Newsletters WordPress plugin before 4.18.1 does not perform an ownership check on some of its subscriber management actions, and issues a management session to unauthenticated visitors on request, allowing attackers to read any subscriber's personal data and overwrite any subscriber's record including their email address.
Affected products
| Product | Affected versions |
|---|---|
| Newsletters WordPress Plugin | before 4.18.1 |
Versions were read from the advisory text. No structured product data has been published for this record yet.