CVE Vulnerability

CVE-2022-40956

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.

6.1 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://www.mozilla.org/security/advisories/mfsa2022-42/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-41/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-40/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1770094 Issue Tracking Permissions Required
Configurations

Configuration 1

cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Information

Published : 2022-12-22 08:15

Updated : 2022-12-30 10:14

NVD link : CVE-2022-40956

Mitre link : CVE-2022-40956

Products Affected
No products.
CWE
CWE-79