Mozilla Firefox Cross-Site Scripting Vulnerability (CNVD-2021-99622)

2021-12-1200:00:00

China National Vulnerability Database

www.cnvd.org.cn

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

33.5%

JSON

Mozilla Firefox is an open source Web browser from the Mozilla Foundation. Mozilla Firefox has a cross-site scripting vulnerability that stems from the fact that the product does not effectively filter the special characters in the Url in the QR code, which can be exploited by attackers to execute JavaScript code on the client side.