CVE-2026-86823 Newsletter < 9.3.7 - Unauthenticated Open Redirect and Subscriber Token Disclosure via ncu Parameter

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...

CVE-2026-86823 Newsletter < 9.3.7 - Unauthenticated Open Redirect and Subscriber Token Disclosure via ncu Parameter

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...

CVE-2026-86823

The Newsletter WordPress plugin (versions before 9.3.7 ) contains a vulnerability where it fails to validate the destination of a redirect following a public subscription action. This allows unauthenticated attackers to perform an open redirect to arbitrary external sites and disclose a subscribe...