CVE-2021-23974

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-23974
The DOMParser API did not properly process '<noscript>' elements for escaping. This could be used as an mXSS vector to bypass an HTML Sanitizer. This vulnerability affects Firefox < 86.

6.1 /10

CVSS v3 : 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

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References
Link Resource
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1528997%2C1683627 Issue Tracking Vendor Advisory
https://security.gentoo.org/glsa/202104-10 Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2021-07/ Release Notes Vendor Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1528997%2C1683627 Issue Tracking Vendor Advisory
https://security.gentoo.org/glsa/202104-10 Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2021-07/ Release Notes Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
History

21 Nov 2024, 05:52

Type Values Removed Values Added
References () https://bugzilla.mozilla.org/buglist.cgi?bug_id=1528997%2C1683627 - Issue Tracking, Vendor Advisory () https://bugzilla.mozilla.org/buglist.cgi?bug_id=1528997%2C1683627 - Issue Tracking, Vendor Advisory
References () https://security.gentoo.org/glsa/202104-10 - Third Party Advisory () https://security.gentoo.org/glsa/202104-10 - Third Party Advisory
References () https://www.mozilla.org/security/advisories/mfsa2021-07/ - Release Notes, Vendor Advisory () https://www.mozilla.org/security/advisories/mfsa2021-07/ - Release Notes, Vendor Advisory

23 May 2022, 19:07

Type Values Removed Values Added
References (GENTOO) https://security.gentoo.org/glsa/202104-10 - (GENTOO) https://security.gentoo.org/glsa/202104-10 - Third Party Advisory
References (MISC) https://bugzilla.mozilla.org/buglist.cgi?bug_id=1528997%2C1683627 - Broken Link (MISC) https://bugzilla.mozilla.org/buglist.cgi?bug_id=1528997%2C1683627 - Issue Tracking, Vendor Advisory
Information

Published : 2021-02-26 02:15

Updated : 2024-11-21 05:52

NVD link : CVE-2021-23974

Mitre link : CVE-2021-23974

CVE.ORG link : CVE-2021-23974

JSON object : View

Products Affected

mozilla

  • firefox
CWE
NVD-CWE-noinfo