CVE-2023-3821

Cross-site Scripting (XSS) - Stored in pimcore/pimcore

6.1 MediumFix available

Cross-site Scripting (XSS) - Stored in GitHub repository pimcore/pimcore prior to 10.6.4.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: High

Exploit likelihood

0.57%Up 0.5 points since Jul 22, 2023

What each source reports

CVE List Score used 6.1

Cross-site Scripting (XSS) - Stored in pimcore/pimcore

Cross-site Scripting (XSS) - Stored in GitHub repository pimcore/pimcore prior to 10.6.4.

Record: CVE-2023-3821
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:H
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2023-1988 6.1

Cross-site Scripting (XSS) - Stored in GitHub repository pimcore/pimcore prior to 10.6.4.

Record: EUVD-2023-1988
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-78q2-cv3p-x9fm 6.1

Pimcore Cross-site Scripting vulnerability

Cross-site Scripting (XSS) - Stored in GitHub repository pimcore/pimcore prior to 10.6.4.

Record: GHSA-78q2-cv3p-x9fm
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:H
Weakness: CWE-79
Updated: 2026-11-02

NVD 5.4

Cross-site Scripting (XSS) - Stored in GitHub repository pimcore/pimcore prior to 10.6.4.

Record: CVE-2023-3821
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:H
Weakness: CWE-79
Updated: 2026-11-02

OSV 6.1

Cross-site Scripting (XSS) - Stored in pimcore/pimcore

Cross-site Scripting (XSS) - Stored in GitHub repository pimcore/pimcore prior to 10.6.4.

Record: CVE-2023-3821
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:H
Weakness: CWE-79
Updated: 2026-11-02

OSVGHSA-78q2-cv3p-x9fm 6.1

Pimcore Cross-site Scripting vulnerability

Cross-site Scripting (XSS) - Stored in GitHub repository pimcore/pimcore prior to 10.6.4.

Record: GHSA-78q2-cv3p-x9fm
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:H
Weakness: CWE-79
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`pimcore/pimcore` Packagist	before 10.6.4	10.6.4
`pimcore/pimcore` Packagist	before 10.6.4, plus listed versions 10.0.82.2.02.2.12.2.22.3.0 Show 45 moreShow less 3.0.03.0.13.0.23.0.33.0.43.0.53.0.63.1.03.1.14.0.04.0.14.1.04.1.14.1.24.1.34.2.04.3.04.3.14.4.04.4.14.4.24.4.34.5.04.6.04.6.14.6.24.6.34.6.44.6.5v10.0.0v10.0.0-BETA1v10.0.0-BETA2v10.0.0-BETA3v10.0.0-BETA4v10.0.1v10.0.2v10.0.3v10.0.4v10.0.5v10.0.6v10.0.7v10.0.9v10.1.0v10.1.1v10.1.2	10.6.4

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-3821 is a medium vulnerability (CVSS 6.1) in Pimcore, published July 21, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.57%, the 47th percentile. Fixed in pimcore/pimcore 10.6.4.

References

This page doesn't list everything

Left out here: 170 versions. The JSON record has them.