Caret Character Spoofing Vulnerability in Firefox ESR, Firefox, and Thunderbird

Caret Character Spoofing Vulnerability in Firefox ESR, Firefox, and Thunderbird

CVE-2019-11717 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

A vulnerability exists where the caret ("^") character is improperly escaped constructing some URIs due to it being used as a separator, allowing for possible spoofing of origin attributes. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.

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