CVE-2026-83555
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductEmail Subscribers & Newsletters
PublishedSep 23, 2026
First seenSep 23, 2026
Weakness typeCWE-862Missing authorization
How to fix
Update
- Email Subscribers & Newsletters5.9.35 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Email Subscribers & Newsletters | v < 5.9.35 | 5.9.35 |
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