The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
CWE-863
CVE-2021-38345
The Brizy Page Builder plugin <= 2.3.11 for WordPress used an incorrect authorization check that allowed any logged-in user accessing any endpoint in the wp-admin directory to modify the content of any existing post or page created with the Brizy editor. An identical issue was found by another researcher in Brizy <= 1.0.125 and fixed in version 1.0.126, but the vulnerability was reintroduced in version 1.0.127.
CVE-2021-38312
The Gutenberg Template Library & Redux Framework plugin <= 4.2.11 for WordPress used an incorrect authorization check in the REST API endpoints registered under the “redux/v1/templates/” REST Route in “redux-templates/classes/class-api.php”. The `permissions_callback` used in this file only checked for the `edit_posts` capability which is granted to lower-privileged users such as contributors, allowing such users to install arbitrary plugins from the WordPress repository and edit arbitrary posts.
CVE-2021-38137
Corero SecureWatch Managed Services 9.7.2.0020 does not correctly check swa-monitor and cns-monitor user’s privileges, allowing a user to perform actions not belonging to his role.
CVE-2021-38016
Insufficient policy enforcement in background fetch in Google Chrome prior to 96.0.4664.45 allowed a remote attacker to bypass same origin policy via a crafted HTML page.
CVE-2021-38017
Insufficient policy enforcement in iframe sandbox in Google Chrome prior to 96.0.4664.45 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.