CVE-2023-42344
High
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.
SeverityHigh
CVSS7.3
Exploit probability—
ProductOrg.opencms:opencms-core
PublishedMay 8, 2026
First seenMay 8, 2026
Weakness typeCWE-611XML external entity (XXE)
How to fix
Update
- org.opencms:opencms-core10.5.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| org.opencms:opencms-coreMaven | v < 10.5.1 | 10.5.1 |
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