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Vulnerability record · CVE-2023-42344 · published 8 May 2026

CVE-2023-42344: XML external entity (XXE) vulnerability

Alkacon OpenCms before 10.5.1 allows remote unauthenticated attackers to obtain sensitive information via a cmis-online/query XXE attack on a Chemistry servlet.

7.3 CVSS 3.1 High EPSS 2.2% · top 17.9% CWE-611 · XML external entity (XXE) Deferred
7.3CVSS 3.1 base score
2.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Alkacon OpenCms before 10.5.1 allows remote unauthenticated attackers to obtain sensitive information via a cmis-online/query XXE attack on a Chemistry servlet.

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

References

LinkTags
https://labs.watchtowr.com/xxe-you-can-depend-on-me-opencms/
https://github.com/projectdiscovery/nuclei-templates/issues/8864

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Source: NIST National Vulnerability Database (record CVE-2023-42344), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.