CVE-2021-40105

6.1 mediumEPSS 0.7%

Medium (6.1) in concretecms concrete cms. EPSS 0.7% chance of exploitation in the next 30 days.

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

Severity

6.1 medium

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-09-27
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19