title: AcyMailing < 7.5.0 - Unauthenticated Open Redirect
description: When subscribing using AcyMailing, the 'redirect' parameter isn't properly sanitized. Turning the request from POST to GET, an attacker can craft a link containing a potentially malicious landing page and send it to the victim.
problem types: CWE-601 URL Redirection to Untrusted Site ('Open Redirect')
affected:
{
product: Newsletter via SMTP, Sendinblue, Sendgrid, Mailgun - AcyMailing SMTP Newsletter
vendor: AcyMailing
versions:
lessThan: 7.5.0, status: affected, version: 7.5.0, versionType: custom
}