Concrete CMS Stored XSS in Layout Preset Name

MEDIUM 4.8CVE-2023-48650 · GHSA-x577-gcc9-9xjj · Published 29/02/2024 · updated 17/06/2026

In short

CVE-2023-48650 is a MEDIUM (CVSS 4.8) vulnerability affecting concrete5/concrete5, concrete cms (concretecms).
Chance of exploitation in the next 30 days (EPSS): 0.49%, higher than 42.2% 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`

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.

NVD 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.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Package

Affected versions

Patched versions

Packagist

≥ 9.0.0, < 9.2.3< 8.5.14

9.2.38.5.14

≥ 9.0.0, < 9.2.3< 8.5.14

9.2.38.5.14

More vulnerabilities in concrete5/concrete5

See all →