What’s Vulnerable › Vulnerabilities

CVE-2023-49337

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-29 · updated 2026-06-17
• Weakness: CWE-79

Description

Concrete CMS before 9.2.3 allows Stored XSS on the Admin Dashboard via /dashboard/system/basics/name. (8.5 and earlier are unaffected.)

Affected products

• Concrete CMS: from 9.0.0 before 9.2.3 — fixed in 9.2.3

How to fix

Upgrade to a fixed version: Concrete CMS 9.2.3. Check the vendor advisory for mitigations.

References

• https://github.com/concretecms/concretecms/commit/07b433799b888c4eb854e052ca58b032ebc6d36f
• https://hackerone.com/reports/2232594
• https://www.concretecms.org/about/project-news/security/2023-12-05-concrete-cms-new-cves-and-cve-updates
• https://github.com/concretecms/concretecms/commit/07b433799b888c4eb854e052ca58b032ebc6d36f
• https://hackerone.com/reports/2232594
• https://www.concretecms.org/about/project-news/security/2023-12-05-concrete-cms-new-cves-and-cve-updates

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