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CVE-2026-86824

MEDIUM 4.8 CVSS 3.1
Published
September 17, 2026
Last modified
September 18, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-326
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Description

The Newsletter WordPress plugin before 9.3.8 does not generate its email tracking signing key with sufficient entropy and signs its tracking links with an unkeyed hash, allowing an unauthenticated attacker who recovers that key offline to forge tracking links, obtain any subscriber's session token, and read and modify that subscriber's stored personal data.

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 9.3.8

References

  • wpscan.com https://wpscan.com/vulnerability/62ee25d9-ec38-402c-9959-37fd89708aca/
  • nvd.nist.gov Official NVD record