GHSA-v86x-5fm3-5p7j
Alertmanager UI is vulnerable to stored XSS via the /api/v1/alerts endpoint
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Go | github.com/prometheus/alertmanager | < 0.25.1 | 0.25.1 |
Details
As written in the advisory (Markdown source, shown as plain text).
### Impact
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.
### Patches
Users can upgrade to Alertmanager v0.2.51.
### Workarounds
Users can setup a reverse proxy in front of the Alertmanager web server to forbid access to the /api/v1/alerts endpoint.
### References
N/A
References
External links from the advisory. They lead to third-party sites.