CVE-2023-40577
Alertmanager UI is vulnerable to stored XSS via the /api/v1/alerts endpoint
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.
CVSS 3.1 · 7.5 High
EPSS < 1%
KEV · Not listed
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