GitHub Advisoryadvisory · Maven

GHSA-pj6p-9p8x-5mfc Alkacon OpenCms is vulnerable to XXE when the <!DOCTYPE> refers to an external host

HIGH Published 2026-05-08 Modified 2026-05-14 Official page ↗

Aliases: CVE-2023-42346
Ecosystem: Maven
Packages: org.opencms:opencms-core
Severity: High
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weaknesses: CWE-611
Reviewed: 2026-05-14

Affected packages

• Maven org.opencms:opencms-core: < 16.0 → fixed in 16.0

Description

Alkacon OpenCms before 16 allows XXE when the refers to an external host.

Related

Alias · CVE (1)

CVE-2023-42346 Alkacon OpenCms before 16 allows XXE when the <!DOCTYPE> refers to an external host. vulnerability

Weakness · CWE (1)

CWE-611 Improper Restriction of XML External Entity Reference weakness

References