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.
History

Fri, 18 Sep 2026 12:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200

Thu, 17 Sep 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


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

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

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

Updated: 2026-09-17T12:33:42.412Z

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

Link: CVE-2026-86823

cve-icon Vulnrichment

Updated: 2026-09-17T12:16:04.217Z

cve-icon NVD

Status : Deferred

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

Modified: 2026-09-17T13:16:54.037

Link: CVE-2026-86823

cve-icon Redhat

No data.