CVE-2026-8151
Medium
Description
The Simple Membership MailChimp Integration WordPress plugin before 1.9.8 does not have CSRF checks in its settings page, allowing attackers to trick a logged-in administrator into changing the configured third-party API key. Once replaced, all subsequent member registration data (name, email, membership level) is sent to the attacker-controlled account.
SeverityMedium
CVSS5.4
Exploit probability—
ProductSimple Membership MailChimp Integration
PublishedSep 2, 2026
First seenSep 2, 2026
Weakness typeCWE-352Cross-site request forgery (CSRF)
How to fix
Update
- Simple Membership MailChimp Integration1.9.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Simple Membership MailChimp Integration | v < 1.9.8 | 1.9.8 |
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