XSS in Nagios Xi

CVE-2018-15712

Nagios XI 5.5.6 allows reflected cross site scripting from remote unauthenticated attackers via the host parameter in api_tool.php.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.486 (98.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Nagios Xi — versions 5.5.6
Nagios Nagios_xi — versions 5.5.6

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

vulnreport@tenable.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-15712?: CVE-2018-15712 is a medium-severity vulnerability in Nagios Xi, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-11-14.
How severe is CVE-2018-15712?: Medium severity. CVSS v3 base score is 6.1 out of 10.