SB2023082505 - Stored XSS in Alertmanager
Published: August 25, 2023
Security Bulletin ID
SB2023082505
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stored cross-site scripting (CVE-ID: CVE-2023-40577)
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 update from vendor's website.