CVE-2023-40577

Published

Last updated

NVD

https://nvd.nist.gov/vuln/detail/CVE-2023-40577

Severity

7.5

High

CVSS V3

Summary

Alertmanager UI is vulnerable to stored XSS via the /api/v1/alerts endpoint

Description

Alertmanager handles alerts sent by client applications such as the Prometheus server. An attacker with the permission to perform POST requests on the /api/v1/alerts endpoint could be able to execute arbitrary JavaScript code on the users of Prometheus Alertmanager. This issue has been fixed in Alertmanager version 0.2.51.