CVE-2023-42344
Alkacon OpenCms allows remote unauthenticated attackers to obtain sensitive information
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2023-42344- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-611
- Updated
- 2026-11-02
EUVDEUVD-2023-46797
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.
- Record
EUVD-2023-46797- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-rcc6-6q2f-m2cw
Alkacon OpenCms allows remote unauthenticated attackers to obtain sensitive information
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.
- Record
GHSA-rcc6-6q2f-m2cw- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-611
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-42344- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-611
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2023-42344- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Updated
- 2026-11-02
OSVGHSA-rcc6-6q2f-m2cw
Alkacon OpenCms allows remote unauthenticated attackers to obtain sensitive information
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.
- Record
GHSA-rcc6-6q2f-m2cw- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-611
- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.opencms:opencms-coreMaven |
before 10.5.1 | 10.5.1 |
org.opencms:opencms-coreMaven |
before 10.5.1, plus listed versions 10.0.010.0.110.5.08.0.18.0.2 Show 13 moreShow less8.0.38.0.3-rev8.0.3.18.0.48.5.08.5.18.5.29.0.09.0.19.5.09.5.19.5.29.5.3 |
10.5.1 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | OpenCMS - XML external entity (XXE) |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, Nuclei, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-42344 is a high vulnerability (CVSS 7.3) in org.opencms:opencms-core, published May 8, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.34%, the 83rd percentile. Fixed in org.opencms:opencms-core 10.5.1.