medium5.3
CVE-2026-86823
The Newsletter WordPress plugin before 9.3.7 does not validate the destination of the redirect performed after a public subscription action, allowing unauthent…
Impact
The Newsletter WordPress plugin before 9.3.7 does not validate the destination of the redirect performed after a public subscription action, allowing unauthenticated attackers to redirect users to arbitrary external sites and to disclose a subscriber token that grants access to that subscriber record's front-end actions.
Affected products
| Product | Affected versions |
|---|---|
| Newsletter WordPress Plugin | before 9.3.7 |
Versions were read from the advisory text. No structured product data has been published for this record yet.