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.
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 16 Sep 2026 17:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200
CWE-601

Wed, 16 Sep 2026 10:30:00 +0000

Type Values Removed Values Added
First Time appeared Newsletter
Newsletter newsletter
Wordpress
Wordpress wordpress
Vendors & Products Newsletter
Newsletter newsletter
Wordpress
Wordpress wordpress

Wed, 16 Sep 2026 06:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Newsletter < 9.3.7 - Unauthenticated Open Redirect and Subscriber Token Disclosure via ncu Parameter
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-09-16T06:00:16.296Z

Reserved: 2026-09-08T14:20:35.409Z

Link: CVE-2026-86823

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-16T06:16:35.043

Modified: 2026-09-16T06:16:35.043

Link: CVE-2026-86823

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-16T16:45:18Z

Weaknesses