Concrete CMS Cross Site Request Forgery (CSRF) vulnerability

MEDIUM 4.3CVE-2023-48653 · GHSA-3rxx-8f33-7p6p · Published 29/02/2024 · updated 17/06/2026

In short

CVE-2023-48653 is a MEDIUM (CVSS 4.3) vulnerability affecting concrete5/concrete5, concrete cms (concretecms).
Chance of exploitation in the next 30 days (EPSS): 0.28%, higher than 20.1% of all vulnerabilities.
Fix: update to 9.2.3, 8.5.14 or later.

Package	Affected versions	Patched versions
concrete5/concrete5 Packagist	`≥ 9.0.0, < 9.2.3< 8.5.14`	`9.2.38.5.14`
concrete cms concretecms	`≥ 9.0.0, < 9.2.3< 8.5.14`	`9.2.38.5.14`

Description

Concrete CMS before 8.5.14 and 9 before 9.2.3 allows Cross Site Request Forgery (CSRF) via ccm/calendar/dialogs/event/delete/submit. An attacker can force an admin to delete events on the site because the event ID is numeric and sequential.

NVD description

References

nvd.nist.gov/vuln/detail/CVE-2023-48653 · ADVISORY
concretecms/concretecms commit 077755e · WEB
concretecms/concretecms commit 5b93470 · WEB
documentation.concretecms.org/developers/introduction/version-history/923-release-notes · WEB
concretecms/concretecms · PACKAGE
concretecms.org/about/project-news/security/2023-12-05-concrete-cms-new-cves-and-cve-updates · WEB

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Package

Affected versions

Patched versions

concrete5/concrete5

Packagist

≥ 9.0.0, < 9.2.3< 8.5.14

9.2.38.5.14

concrete cms

concretecms

≥ 9.0.0, < 9.2.3< 8.5.14

9.2.38.5.14

Description

NVD description

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