CVE-2023-42346

Published May 8, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Alkacon OpenCms before 16 allows XXE when the <!DOCTYPE> refers to an external host.

Remediation

No solution or workaround provided in the CVE record

Tracking

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

Type Values Removed Values Added
First Time appeared Alkacon
Alkacon opencms
Vendors & Products Alkacon
Alkacon opencms
Type Values Removed Values Added
Title XXE Vulnerability in Alkacon OpenCms Before Version 16 via External DOCTYPE
Weaknesses CWE-611
Type Values Removed Values Added
Description Alkacon OpenCms before 16 allows XXE when the <!DOCTYPE> refers to an external host.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
May 11, 2026, 6:47 PM
Reserved
Sep 8, 2023, 12:00 AM
Status
Deferred
Published
May 8, 2026, 5:16 AM
Modified
Oct 28, 2026, 7:10 PM