PT-2026-97167 · WordPress · Email Subscribers & Newsletters

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CVE-2026-83555

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Published

2026-09-23

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Updated

2026-09-23

CVSS v3.1

5.3

Medium

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Name of the Vulnerable Software and Affected Versions Email Subscribers & Newsletters WordPress plugin versions prior to 5.9.35
Description The plugin fails to verify the per-subscriber management token when modifying a subscriber's subscription status. This allows unauthenticated users to force-unsubscribe or force-confirm any subscriber if the attacker knows the target's email address.
Recommendations Update the plugin to version 5.9.35 or later.

Exploit

Fix

Missing Authorization

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Weakness Enumeration

Related Identifiers

CVE-2026-83555

Affected Products

Email Subscribers & Newsletters