CVE-2020-26951 | BDVDB-2026-145673 Detail

Description#

A parsing and event loading mismatch in Firefox's SVG code could have allowed load events to fire, even after sanitization. An attacker already capable of exploiting an XSS vulnerability in privileged internal pages could have used this attack to bypass our built-in sanitizer. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Impact#

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Exploit#

History#

1. Version 12020-12-09Record published in the CVE List.
2. Version 22024-08-04Most recent update recorded in the CVE List.