CVE-2023-28819: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

April 28, 2023 (updated May 1, 2023)

Concrete CMS (previously concrete5) before 9.1 is vulnerable to Stored XSS in uploaded file and folder names.

References

github.com/advisories/GHSA-474f-mcjv-pgrm
github.com/concretecms/concretecms/releases
nvd.nist.gov/vuln/detail/CVE-2023-28819
www.concretecms.org/about/project-news/security/concrete-cms-security-advisory-2023-04-20

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