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

CVE-2026-86823

Newsletter < 9.3.7 - Unauthenticated Open Redirect and Subscriber Token Disclosure via ncu Parameter PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
Unknown / Newsletter	affected 0 before 9.3.7

CWE

No CWE identifiers supplied.

References

https://wpscan.com/vulnerability/2db98679-24ca-494e-a8fd-f6417a0f1ea8/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.