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.
Advisories

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Fixes

Solution

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Workaround

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History

Wed, 02 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 02 Sep 2026 10:45:00 +0000

Type Values Removed Values Added
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.
Title Simple Membership MailChimp Integration < 1.9.8 - API Key Update via CSRF
Weaknesses CWE-352
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-09-02T14:57:37.263Z

Reserved: 2026-05-08T08:09:49.723Z

Link: CVE-2026-8151

cve-icon Vulnrichment

Updated: 2026-09-02T14:43:50.308Z

cve-icon NVD

Status : Deferred

Published: 2026-09-02T15:17:46.090

Modified: 2026-09-03T17:50:37.690

Link: CVE-2026-8151

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-03T11:45:03Z

Weaknesses