Concrete CMS (formerly concrete5) below 8.5.10 and between 9.0.0 and 9.1.2 is vulnerable to Reflected XSS in the image manipulation library due to un-sanitized output.
https://github.com/concretecms/concretecms/releases/9.1.3
https://github.com/concretecms/concretecms/releases/8.5.10
https://www.concretecms.org/about/project-news/security/concrete-cms-security-advisory-2022-10-31
https://documentation.concretecms.org/developers/introduction/version-history/913-release-notes
https://documentation.concretecms.org/developers/introduction/version-history/8510-release-notes
Source: Mitre, NVD
Published: 2022-11-14
Updated: 2025-04-30
Base Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00449