Vulnerability CVE-2023-40577


Published: 2023-08-25

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.

Type:

CWE-79

(Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

 References:
https://github.com/prometheus/alertmanager/security/advisories/GHSA-v86x-5fm3-5p7j

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