CVE-2021-38509
Assigner: mozilla
Published: 2021-12-08T21:21:30
State: PUBLISHED
affected: product: Firefox
vendor: Mozilla
versions: lessThan: 94
status: affected
version: unspecified
versionType: custom
product: Thunderbird
vendor: Mozilla
versions: lessThan: 91.3
status: affected
version: unspecified
versionType: custom
product: Firefox ESR
vendor: Mozilla
versions: lessThan: 91.3
status: affected
version: unspecified
versionType: custom
descriptions: value: 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.
problemTypes: descriptions: description: Javascript alert box could have been spoofed onto an arbitrary domain
type: text