CVE-2020-26956
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 …
Published: 2020-12-09 · CVSS: Unscored
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7