What’s Vulnerable › Vulnerabilities
CVE-2023-48649
- Severity: medium (CVSS 5.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-11-17 · updated 2026-06-17
- Weakness: CWE-79
Description
Concrete CMS before 8.5.13 and 9.x before 9.2.2 allows stored XSS on the Admin page via an uploaded file name.
Affected products
- Concrete CMS: before 8.5.13; from 9.0 before 9.2.2 — fixed in 8.5.13, 9.2.2
How to fix
Upgrade to a fixed version: Concrete CMS 8.5.13, 9.2.2. Check the vendor advisory for mitigations.
References
- https://documentation.concretecms.org/developers/introduction/version-history/8513-release-notes
- https://documentation.concretecms.org/developers/introduction/version-history/922-release-notes
- https://github.com/concretecms/concretecms/pull/11695
- https://github.com/concretecms/concretecms/pull/11739
- https://www.concretecms.org/about/project-news/security/2023-11-09-security-blog-about-updated-cves-and-new-release
- https://documentation.concretecms.org/developers/introduction/version-history/8513-release-notes
- https://documentation.concretecms.org/developers/introduction/version-history/922-release-notes
- https://github.com/concretecms/concretecms/pull/11695
- https://github.com/concretecms/concretecms/pull/11739
- https://www.concretecms.org/about/project-news/security/2023-11-09-security-blog-about-updated-cves-and-new-release
Get alerted when CVE-2023-48649 or the next vulnerability affects your stack