CVE-2023-40577 (published 2023-08-25T00:12:13.045Z)
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.
Affected products: Vendor: prometheus
Product: alertmanager
Versions: <= 0.25.0