XSS in Concretecms Concrete Cms

CVE-2021-40106

An issue was discovered in Concrete CMS through 8.5.5. There is unauthenticated stored XSS in blog comments via the website field.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (48.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Permissions Required, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-40106?
CVE-2021-40106 is a medium-severity vulnerability in Concretecms Concrete Cms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-09-27.
How severe is CVE-2021-40106?
Medium severity. CVSS v3 base score is 6.1 out of 10.