CVE-2026-27536highCWE-79

CVE-2026-27536: high-severity vulnerability in PluginOps MailChimp Subscribe Forms

WordPress MailChimp Subscribe Forms plugin <= 4.3.3 - Cross Site Scripting (XSS) vulnerability

Published

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.1epss 0.3%
Unauthenticated Cross Site Scripting (XSS) in MailChimp Subscribe Forms <= 4.3.3 versions.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Affected products
PluginOps · MailChimp Subscribe Forms
Related CVEs — PluginOps MailChimp Subscribe Forms

In the same product, most dangerous first.

CVE-2024-43211MEDIUMWordPress MailChimp Subscribe Form plugin <=4.0.9.9 - Stored Cross-Site Scripting vulnerabilityEPSS 0.4%CVE-2025-22727MEDIUMWordPress MailChimp Subscribe Form plugin <= 4.1 - Cross Site Scripting (XSS) vulnerabilityEPSS 0.2%