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CVE-2026-86823

MEDIUM 5.3 CVSS 3.1
Published
September 16, 2026
Last modified
September 17, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-601
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Newsletter — Before 9.3.7

References

  • wpscan.com https://wpscan.com/vulnerability/2db98679-24ca-494e-a8fd-f6417a0f1ea8/
  • nvd.nist.gov Official NVD record