CVE-2026-86824

MEDIUMCVSS 4.8

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.

Timeline

Published:September 17th, 2026 6:16 AM

Last modified:September 18th, 2026 7:08 PM

CVSS Scoring

CVSS v3: 4.8 (MEDIUM)

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Weaknesses (CWE)

CWE-326

References & Reports

Advisories, patches, and third-party reports

https://wpscan.com/vulnerability/62ee25d9-ec38-402c-9959-37fd89708aca/

Source: NIST NVD · Data may lag official sources by up to one minute