CVE-2021-40104 Information

Description

An issue was discovered in Concrete CMS through 8.5.5. There is an SVG sanitizer bypass.

CVSS Vector

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

Reference

https://hackerone.com/reports/1102088 https://documentation.concretecms.org/developers/introduction/version-history/856-release-notes

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5