Medium severity5.4NVD Advisory· Published Sep 2, 2026· Updated Sep 3, 2026No known patch
CVE-2026-8151
No known patch is available for this vulnerability.
The affected plugin has not been updated on WordPress.org since before this CVE was disclosed; the latest installable version is still vulnerable. If you have the affected software installed, you should uninstall or replace it rather than wait for an update.
CVE-2026-8151
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <1.9.8
Patches
Vulnerability mechanics
References
2News mentions
1- WordPress Plugins: 24 Vulnerabilities Disclosed, Including Two Critical FlawsVypr Intelligence · Sep 2, 2026