An issue was discovered in Observium Professional, Enterprise & Community 20.8.10631. It is vulnerable to Cross-Site Scripting (XSS) due to the fact that it is possible to inject and store malicious JavaScript code within it. This can occur via /alert_check/action=delete_alert_checker/alert_test_id= because of pages/alert_check.inc.php.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25138
Reference (s):
- https://gist.github.com/mariuszpoplawski/bfb6dea73586dbb668d280d412ecb6d8