A stored cross-site scripting (XSS) vulnerability exists in in Magento 1 prior to 1.9.4.3 and 1.14.4.3, Magento 2.2 prior to 2.2.10, Magento 2.3 prior to 2.3.3 or 2.3.2-p1. An authenticated user with access to the wysiwyg editor can abuse the blockDirective() function and inject malicious javascript in the cache of the admin dashboard.

As per the Magento Release 2.3.3, if you have already implemented the pre-release version of this patch (2.3.2-p1), it is highly recommended to promptly upgrade to 2.3.2-p2.

In Magento prior to 1.9.4.3 and Magento prior to 1.14.4.3, an authenticated user with limited administrative privileges can inject arbitrary JavaScript code via import / export functionality when creating profile action XML.

Withdrawn Advisory

This advisory has been withdrawn because the vulnerability does not affect a package in one of the GitHub Advisory Database's supported ecosystems. This link is maintained to preserve external references.

Original Description

In Magento prior to 1.9.4.3 and Magento prior to 1.14.4.3, an authenticated user with limited administrative privileges can inject arbitrary JavaScript code into transactional email page when creating a new email template or editing existing email template.