Описание
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.
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| firefox | fixed | 83.0-1 | package | |
| firefox-esr | fixed | 78.5.0esr-1 | package | |
| thunderbird | fixed | 1:78.5.0-1 | package |
Примечания
https://www.mozilla.org/en-US/security/advisories/mfsa2020-50/#CVE-2020-26956
https://www.mozilla.org/en-US/security/advisories/mfsa2020-51/#CVE-2020-26956
https://www.mozilla.org/en-US/security/advisories/mfsa2020-52/#CVE-2020-26956
Связанные уязвимости
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.
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.
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.
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.