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Vulnerability Intelligence

Vulnerability IntelligenceCVE-2023-40577

CVE-2023-40577

HIGH7.5

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

Published Aug 25, 2023

Modified 11 months ago

Details

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.

References

WEBhttps://github.com/prometheus/alertmanager/security/advisories/GHSA-v86x-5fm3-5p7j WEBhttps://lists.debian.org/debian-lts-announce/2023/10/msg00011.html ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2023-40577

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

NoneI:N

Availability

NoneA:N

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

Weakness Type (CWE)

Injection

Cross-site Scripting (XSS)

Ecosystems

Timeline

PublishedAug 25, 2023

ModifiedFeb 13, 2025

CVE-2023-40577 | Mondoo Vulnerability Intelligence