CVE-2022-43556

Name: CVE-2022-43556
Creator: NVD / NIST
Published: 2022-12-05T22:15:11.097+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.61%

Last modified Jun 17, 2026

CVE-2022-43556 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Concrete CMS (formerly concrete5) below 8.5.10 and between 9.0.0 and 9.1.2 is vulnerable to XSS in the text input field since the result dashboard page output is not sanitized. The Concrete CMS security team has ranked this 4.2 with CVSS v3.1 vector AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N Thanks @_akbar_jafarli_ for reporting. EPSS estimates a 0.61% chance of exploitation in the next 30 days.

Description

Concrete CMS (formerly concrete5) below 8.5.10 and between 9.0.0 and 9.1.2 is vulnerable to XSS in the text input field since the result dashboard page output is not sanitized. The Concrete CMS security team has ranked this 4.2 with CVSS v3.1 vector AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N Thanks @_akbar_jafarli_ for reporting. Remediate by updating to Concrete CMS 8.5.10 and Concrete CMS 9.1.3.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.61%

44.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Concretecms	Concrete Cms	< 8.5.10
Concretecms	Concrete Cms	>= 9.0.0, <= 9.1.2

References

https://documentation.concretecms.org/developers/introduction/version-history/8510-release-notesRelease Notes, Vendor Advisory
https://documentation.concretecms.org/developers/introduction/version-history/913-release-notesRelease Notes, Vendor Advisory
https://www.concretecms.org/about/project-news/security/concrete-cms-security-advisory-2022-10-31Vendor Advisory
https://documentation.concretecms.org/developers/introduction/version-history/8510-release-notesRelease Notes, Vendor Advisory
https://documentation.concretecms.org/developers/introduction/version-history/913-release-notesRelease Notes, Vendor Advisory
https://www.concretecms.org/about/project-news/security/concrete-cms-security-advisory-2022-10-31Vendor Advisory

Timeline

Published: Dec 5, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-43556?

How severe is CVE-2022-43556?

CVE-2022-43556 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.

How do I fix CVE-2022-43556?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-43556?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST