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VULNERABILITIES

CVE-2022-40956 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA: CISA-ADPCVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=1770094 CVEIssue TrackingPermissions RequiredVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-40/ CVEVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-41/ CVEVendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-42/ CVEVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1770094 [email protected]Issue TrackingPermissions RequiredVendor Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CISA-ADP

Affected Products

ProductVersions
mozilla firefox
< 105.0

CPE

  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
mozilla firefox esr
< 102.3

CPE

  • cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
mozilla thunderbird
< 102.3

CPE

  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2022-40956
NVD Published Date:
Dec 22, 2022
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2022-40956 Details - Not Deferred