high8.2
CVE-2026-16268
The Newsletters WordPress plugin before 4.16 does not authenticate or validate a bounce-processing request before fetching a user-supplied URL on the server si…
Impact
The Newsletters WordPress plugin before 4.16 does not authenticate or validate a bounce-processing request before fetching a user-supplied URL on the server side, allowing unauthenticated attackers to make the site issue requests to arbitrary internal or external hosts.
Affected products
| Product | Affected versions |
|---|---|
| Newsletters WordPress Plugin | before 4.16 |
Versions were read from the advisory text. No structured product data has been published for this record yet.