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CVE-2023-40577

nvd nist
Published: Aug 25, 2023Modified: Jun 17, 2026

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5.4
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Exploitability: 2.3 / Impact: 2.7
Source: NVD

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.

Affected (2)

Prometheus
1 product
Alertmanager
Debian
1 product
Debian Linux
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Alertmanager
Version 0.25.0
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Debian Linux
Version 10.0

Related CWEs

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (4)

Source: security-advisories@github.com
Vendor Advisory
Source: security-advisories@github.com
Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List

Timeline

No history available yet.