What is GHSA-9qcm-96gr-2cxq?

GHSA-9qcm-96gr-2cxq is a security advisory published by GitHub Security Advisories with High severity. Unauthenticated Cross Site Scripting (XSS) in MailChimp Subscribe Forms \u003c= 4.3.3 versions.

Which CVE IDs does GHSA-9qcm-96gr-2cxq cover?

GHSA-9qcm-96gr-2cxq covers the following CVE IDs: CVE-2026-27536. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-9qcm-96gr-2cxq?

GHSA-9qcm-96gr-2cxq has a CVSS v3 base score of 7.1, published by GitHub Security Advisories.

GHSA-9qcm-96gr-2cxqHighCVSS 7.1

Unauthenticated Cross Site Scripting (XSS) in MailChimp Subscribe Forms <= 4.3.3 versions.

Vendor

GitHub Security Advisories

Published

August 13, 2026

Last Modified

August 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-27536 →

📋 Description

Unauthenticated Cross Site Scripting (XSS) in MailChimp Subscribe Forms <= 4.3.3 versions.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-27536
https://patchstack.com/database/wordpress/plugin/mailchimp-subscribe-sm/vulnerability/wordpress-mailchimp-subscribe-forms-plugin-4-3-3-cross-site-scripting-xss-vulnerability?_s_id=cve
https://github.com/advisories/GHSA-9qcm-96gr-2cxq