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.

CVSS v3 6.1 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

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

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

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2021-02-26 02:15

Updated : 2024-02-28 18:08

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

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