Security Advisory

CVE-2021-4140

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2022-12-22 00:00:00

Last updated 2025-04-16 15:55:20

Assigner mozilla

State PUBLISHED

Description

It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

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