Alkacon OpenCms before 16 allows XXE when the <!DOCTYPE> refers to an external host.

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-pj6p-9p8x-5mfc Alkacon OpenCms is vulnerable to XXE when the <!DOCTYPE> refers to an external host
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 11 May 2026 22:15:00 +0000

Type Values Removed Values Added
Title XXE Vulnerability in Alkacon OpenCms Before Version 16 via External DOCTYPE

Mon, 11 May 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 08 May 2026 08:30:00 +0000

Type Values Removed Values Added
First Time appeared Alkacon
Alkacon opencms
Vendors & Products Alkacon
Alkacon opencms

Fri, 08 May 2026 07:15:00 +0000

Type Values Removed Values Added
Title XXE Vulnerability in Alkacon OpenCms Before Version 16 via External DOCTYPE
Weaknesses CWE-611

Fri, 08 May 2026 05:00:00 +0000

Type Values Removed Values Added
Description Alkacon OpenCms before 16 allows XXE when the <!DOCTYPE> refers to an external host.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-11T18:47:44.516Z

Reserved: 2023-09-08T00:00:00.000Z

Link: CVE-2023-42346

cve-icon Vulnrichment

Updated: 2026-05-11T18:47:32.586Z

cve-icon NVD

Status : Deferred

Published: 2026-05-08T05:16:09.850

Modified: 2026-05-11T20:20:58.467

Link: CVE-2023-42346

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-11T22:00:07Z

Weaknesses