CVE-2021-40105

medium

Description

An issue was discovered in Concrete CMS through 8.5.5. There is XSS via Markdown Comments.

References

https://hackerone.com/reports/1102054

https://documentation.concretecms.org/developers/introduction/version-history/856-release-notes

Details

Source: Mitre, NVD

Published: 2021-09-27

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.1

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

Severity: Medium

EPSS

EPSS: 0.00553