Pimcore's Admin Classic Bundle allows HTML Injection

Summary An HTML injection issue allows users with access to the email sending functionality to inject arbitrary HTML code into emails sent via the admin interface, potentially leading to session cookie theft and the alteration of page content. Details The vulnerability was discovered in the...

CVE-2025-30166

CVE-2025-30166 affects Pimcore’s Admin Classic Bundle. An HTML injection vulnerability resides in the /admin/email/send-test-email endpoint’s content parameter, allowing authenticated users with email-sending access to inject HTML into emails, potentially leaking session cookies or altering page ...