CVE-2021-35043

2021-07-2311:49:38

redhat.com

access.redhat.com

anitsamy

cross-site scripting

html attributes

xss

javascript url

confidentiality

integrity

system availability

CVSS2

4.3

Attack Vector

NETWORK

Attack 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

CVSS3

6.1

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

EPSS

0.001

Percentile

40.3%

JSON

A flaw was found in AnitSamy, where it allows a Cross-site Scripting attack (XSS) via HTML attributes when using the HTML output serializer (XHTML is not affected). This issue was demonstrated by a javascript: URL with : as the replacement for the : character. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.