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CVE-2026-83555

MEDIUM 5.3 CVSS 3.1
Published
September 23, 2026
Last modified
September 23, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Description

The Email Subscribers & Newsletters WordPress plugin before 5.9.35 does not verify the per-subscriber management token before changing a subscriber's subscription status, allowing unauthenticated users to force-unsubscribe or force-confirm an arbitrary subscriber whose email address they know.

Affected WordPress components

  • Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin for WordPress Plugin · email-subscribers
    Confirmed match Active
    Before 5.9.35
    View on WordPress.org

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 Email Subscribers & Newsletters — Before 5.9.35

References

  • wpscan.com https://wpscan.com/vulnerability/54cb2a98-7860-40dd-817e-1294317084aa/
  • nvd.nist.gov Official NVD record