Concrete CMS in version 9 before 9.2.5 is vulnerable to reflected XSS via the Image URL Import Feature
Description
Concrete CMS in version 9 before 9.2.5 is vulnerable to reflected XSS via the Image URL Import Feature due to insufficient validation of administrator provided data. A rogue administrator could inject malicious code when importing images, leading to the execution of the malicious code on the website user’s browser. The Concrete CMS Security team scored this 2 with CVSS v3 vector AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N. This does not affect Concrete versions prior to version 9.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
concrete5/concrete5Packagist | >= 9.0.0RC1, < 9.2.5 | 9.2.5 |
Affected products
2- Concrete CMS/Concrete CMSv5Range: 9.0.0
Patches
Vulnerability mechanics
Generated on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.
References
5- github.com/advisories/GHSA-9v3w-cj7m-qh5gghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2024-1246ghsaADVISORY
- documentation.concretecms.org/9-x/developers/introduction/version-history/925-release-notesghsaWEB
- github.com/concretecms/concretecms/commit/59a07472ad6349a2c5fb455837a54ed1fe3f6953ghsaWEB
- www.concretecms.org/about/project-news/security/2024-02-04-security-advisoryghsaWEB
News mentions
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