What’s Vulnerable › Vulnerabilities

CVE-2023-48650

• 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 8.5.14 and 9 before 9.2.3 is vulnerable to an admin adding a stored XSS payload via the Layout Preset name.

Affected products

• Concrete CMS: before 8.5.14; from 9.0.0 before 9.2.3 — fixed in 8.5.14, 9.2.3

How to fix

Upgrade to a fixed version: Concrete CMS 8.5.14, 9.2.3. Check the vendor advisory for mitigations.

References

• https://documentation.concretecms.org/developers/introduction/version-history/923-release-notes
• https://www.concretecms.org/about/project-news/security/2023-12-05-concrete-cms-new-cves-and-cve-updates
• https://documentation.concretecms.org/developers/introduction/version-history/923-release-notes
• https://www.concretecms.org/about/project-news/security/2023-12-05-concrete-cms-new-cves-and-cve-updates

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