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THREATINT
PUBLISHED

CVE-2023-40577

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



AssignerGitHub_M
Reserved2023-08-16
Published2023-08-25
Updated2024-10-02

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.



HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Problem types

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

Product status

<= 0.25.0
affected

References

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

https://lists.debian.org/debian-lts-announce/2023/10/msg00011.html

cve.org CVE-2023-40577

nvd.nist.gov CVE-2023-40577

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