Security Advisory

CVE-2022-40958

6.5
MEDIUM

Vulnerability Description

By injecting a cookie with certain special characters, an attacker on a shared subdomain which is not a secure context could set and thus overwrite cookies from a secure context, leading to session fixation and other attacks. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.
Published Date December 22, 2022
Official Source NIST NVD Advisory