#VU79967 Stored cross-site scripting in alertmanager - CVE-2023-40577
Published: August 25, 2023 / Updated: January 23, 2024
Vulnerability identifier: #VU79967
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-40577
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
alertmanager
alertmanager
Software vendor:
Prometheus
Prometheus
Description
The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data passed to the /api/v1/alerts endpoint in the Alertmanager UI. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Remediation
Install updates from vendor's website.