CVE-2022-40956

medium

Description

When injecting an HTML base element, some requests would ignore the CSP's base-uri settings and accept the injected element's base instead. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.

References

https://www.mozilla.org/security/advisories/mfsa2022-42/

https://www.mozilla.org/security/advisories/mfsa2022-41/

https://www.mozilla.org/security/advisories/mfsa2022-40/

https://bugzilla.mozilla.org/show_bug.cgi?id=1770094

Details

Source: Mitre, NVD

Published: 2022-12-22

Updated: 2025-04-15

Risk Information

CVSS v2

Base Score: 6.4

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

Severity: Medium

CVSS v3

Base Score: 6.1

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