XSS in Concretecms Concrete Cms

CVE-2022-30120

XSS in /dashboard/blocks/stacks/view_details/ - old browsers only. When using an older browser with built-in XSS protection disabled, insufficient sanitation where built urls are outputted can be exploited for Concrete 8.5.7 and below as well as Concrete 9.0 through 9.0.2 to allow XSS. This cannot be exploited in modern-day web browsers due to an automatic input escape mechanism. Concrete CMS Security team ranked this vulnerability 3.1with CVSS v3.1 Vector AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N. Sanitation has been added where built urls are output. Credit to Credit to Bogdan Tiron from FORTBRIDGE (https://www.fortbridge.co.uk/ ) for reporting

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.010 (61.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 62nd percentile — 61.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-30120: held from 0.010 to 0.010.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000

Affected products

  • Concretecms Concrete Cms
  • Https://github.com/concrete5/concrete5 — versions Remediated in Concrete CMS 8.5.8 and 9.1.0. Affected Versions are Concrete 8.5.7 and below as well as Concrete 9.0 through 9.0.2

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-30120?
CVE-2022-30120 is a medium-severity vulnerability in Concretecms Concrete Cms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-06-24.
How severe is CVE-2022-30120?
Medium severity. CVSS v3 base score is 6.1 out of 10.