Security Advisory

CVE-2020-26956

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2020-12-09 00:21:39

Last updated 2024-08-04 16:03:23

Assigner mozilla

State PUBLISHED

Description

In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

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