CVE-2023-40577

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

State
Published
Severity
7.5 High
Published
Aug 25, 2023
Updated
Feb 13, 2025
Reserved
Aug 16, 2023

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NGitHub_M

Weaknesses

  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

ProductVersions
alertmanagerprometheus
  • <= 0.25.0Affected

References

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