Due to an unusual sequence of... CVE-2021-38509

4.3 AV AC AU C I A
发布: 2021-12-08
修订: 2021-12-21

Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.