CVE-2022-29909

high

Description

Documents in deeply-nested cross-origin browsing contexts could have obtained permissions granted to the top-level origin, bypassing the existing prompt and wrongfully inheriting the top-level permissions. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

References

https://www.mozilla.org/security/advisories/mfsa2022-18/

https://www.mozilla.org/security/advisories/mfsa2022-17/

https://www.mozilla.org/security/advisories/mfsa2022-16/

https://bugzilla.mozilla.org/show_bug.cgi?id=1755081

Details

Source: Mitre, NVD

Published: 2022-12-22

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High