title: WordPress MailChimp Subscribe Forms Plugin <= 4.0.9.3 is vulnerable to Open Redirection
description: URL Redirection to Untrusted Site ('Open Redirect') vulnerability in PluginOps MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder.This issue affects MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder: from n/a through 4.0.9.3.
problem types: CWE-601 URL Redirection to Untrusted Site ('Open Redirect')
affected:
{
collectionURL: https://wordpress.org/plugins
defaultStatus: unaffected
packageName: mailchimp-subscribe-sm
product: MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder
vendor: PluginOps
versions:
changes: [at: 4.0.9.4, status: unaffected], lessThanOrEqual: 4.0.9.3, status: affected, version: n/a, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 4.7
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: NONE
privilegesRequired: NONE
scope: CHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions: Update to 4.0.9.4 or a higher version.