How severe is CVE-2023-40311?

This vulnerability has a severity rating of MEDIUM with a CVSS score of 4.8 out of 10.

What type of vulnerability is CVE-2023-40311?

This is classified as CWE-79, which is a common weakness in software security.

CVE-2023-40311 - MEDIUM Severity | CVSS 4.8

Vulnerability Description

Multiple stored XSS were found on different JSP files with unsanitized parameters in OpenMNS Horizon 31.0.8 and versions earlier than 32.0.2 on multiple platforms that allow an attacker to store on database and then load on JSPs or Angular templates. The solution is to upgrade to Meridian 2023.1.6, 2022.1.19, 2021.1.30, 2020.1.38 or Horizon 32.0.2 or newer. Meridian and Horizon installation instructions state that they are intended for installation within an organization's private networks and should not be directly accessible from the Internet. OpenNMS thanks Jordi Miralles Comins for reporting this issue.

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