CVE-2022-22761

high

Description

Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors directive when it was used in the Web Extension's Content Security Policy. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

References

https://www.mozilla.org/security/advisories/mfsa2022-06/

https://www.mozilla.org/security/advisories/mfsa2022-05/

https://www.mozilla.org/security/advisories/mfsa2022-04/

https://bugzilla.mozilla.org/show_bug.cgi?id=1745566

Details

Source: Mitre, NVD

Published: 2022-12-22

Updated: 2022-12-30

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