CVE-2023-42343

Name: CVE-2023-42343
Creator: NVD / NIST
Published: 2026-05-08T05:16:09.42+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.59%

Last modified Jun 17, 2026

CVE-2023-42343 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A Cross Site Scripting vulnerability in Alkacon OpenCms before 10.5.1 exists via cmis-online/type.. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

Description

A Cross Site Scripting vulnerability in Alkacon OpenCms before 10.5.1 exists via cmis-online/type.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.59%

43.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

References

https://labs.watchtowr.com/xxe-you-can-depend-on-me-opencms/

Timeline

Published: May 8, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2023-42343?

A Cross Site Scripting vulnerability in Alkacon OpenCms before 10.5.1 exists via cmis-online/type.

How severe is CVE-2023-42343?

CVE-2023-42343 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.

How do I fix CVE-2023-42343?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-42343?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST