WordPress MC4WP: Mailchimp for WordPress plugin <= 4.12.0 - Authenticated (Author+) Stored Cross-Site Scripting via Form Response Messages vulnerability
🗓️ 27 Aug 2026 11:20:00Reported by Osvaldo Noe Gonzalez Del Rio (Os) - krei.dev | ogbuilders.ioType 
patchstack🔗 patchstack.com👁 4 Views
| Reporter | Title | Published | Views | Family All 6 |
|---|---|---|---|---|
 | CVE-2026-4561 | 22 Aug 202613:27 | – | cve |
 | CVE-2026-4561 MC4WP: Mailchimp for WordPress <= 4.12.0 - Authenticated (Author+) Stored Cross-Site Scripting via Form Response Messages | 22 Aug 202613:27 | – | cvelist |
 | EUVD-2026-64299 | 22 Aug 202613:27 | – | euvd |
 | CVE-2026-4561 | 22 Aug 202614:16 | – | nvd |
 | PT-2026-79552 | 22 Aug 202600:00 | – | ptsecurity |
 | CVE-2026-4561 MC4WP: Mailchimp for WordPress <= 4.12.0 - Authenticated (Author+) Stored Cross-Site Scripting via Form Response Messages | 22 Aug 202613:27 | – | vulnrichment |
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27 Aug 2026 11:20Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.16.4
EPSS0.00317
SSVC