What is the CVSS score of CVE-2023-42346?

CVE-2023-42346 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.1%.

Which versions of Alkacon OpenCms are affected by CVE-2023-42346?

Alkacon OpenCms before 16 allows XXE when the refers to an external host.. A patch is available.

Is there a patch available for CVE-2023-42346?

Yes, a patch is available for CVE-2023-42346. Update the affected software to the latest version immediately.

Alkacon OpenCms CVE-2023-42346

EUVD-2023-46799 HIGH

Improper Restriction of XML External Entity Reference (CWE-611)

2026-05-08 mitre

GHSA-pj6p-9p8x-5mfc

XXE

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Severity Changed

May 11, 2026 - 20:22 NVD

LOW HIGH

CVSS changed

May 11, 2026 - 20:22 NVD

-1.0 (LOW) 7.5 (HIGH)

CVE Published

May 08, 2026 - 00:00 cve.org

HIGH 7.5

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

13 maven packages depend on org.opencms:opencms-core (13 direct, 0 indirect)

Ecosystem-wide dependent count for version 16.0.

DescriptionCVE.org

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

AnalysisAI

Alkacon OpenCms before 16 allows XXE when the <!DOCTYPE> refers to an external host. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This XML External Entity (XXE) vulnerability could allow attackers to read arbitrary files or perform SSRF through XML processing.

Technical ContextAI

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. Alkacon OpenCms before 16 allows XXE when the <!DOCTYPE> refers to an external host. Affected products include: N/A. Version information: before 16.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Disable external entity processing in XML parsers, use JSON instead of XML where possible.