Pimcore through 2026.3.1 contains a stored cross-site scripting vulnerability that allows authenticated backend users to inject scripts by storing unescaped URLs in ExternalImage fields. Attackers with data object edit permission can store attribute-breaking payloads that execute JavaScript in the admin origin when other users open version preview or diff views.
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 13 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 12 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Description Pimcore through 2026.3.1 contains a stored cross-site scripting vulnerability that allows authenticated backend users to inject scripts by storing unescaped URLs in ExternalImage fields. Attackers with data object edit permission can store attribute-breaking payloads that execute JavaScript in the admin origin when other users open version preview or diff views.
Title Pimcore through 2026.3.1 Stored XSS via ExternalImage Field Version Preview
First Time appeared Pimcore
Pimcore pimcore
Weaknesses CWE-79
CPEs cpe:2.3:a:pimcore:pimcore:*:*:*:*:*:*:*:*
Vendors & Products Pimcore
Pimcore pimcore
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-13T18:22:20.725Z

Reserved: 2026-10-12T14:40:42.449Z

Link: CVE-2026-109392

cve-icon Vulnrichment

Updated: 2026-10-13T18:22:15.523Z

cve-icon NVD

Status : Deferred

Published: 2026-10-12T16:17:04.557

Modified: 2026-10-13T19:18:32.847

Link: CVE-2026-109392

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-12T17:15:15Z

Weaknesses