Cross-Site Scripting Vulnerability in Nagios XI by Nagios Enterprises
CVE-2020-36865

5.1MEDIUM

Key Information:

Vendor

NagiOS

Status
Xi
Vendor
CVE Published:
30 October 2025

What is CVE-2020-36865?

Nagios XI, prior to version 5.7.2, contains a cross-site scripting vulnerability affecting the Business Process Intelligence (BPI) component's Config Management and Edit Config page. This issue arises from inadequate validation and escaping of user-supplied data, potentially allowing attackers to inject malicious scripts that execute in the context of a victim's web browser. Exploiting this vulnerability could lead to unauthorized actions on behalf of the user, increasing the risk of data theft or compromise.

Affected Version(s)

XI 0 < 5.7.2

References

https://www.nagios.com/changelog/nagios-xi/
release-notespatch
https://www.vulncheck.com/advisories/nagios-xi-xss-via-bp...
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

TactiFail
JSON
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CVE-2020-36865 : Cross-Site Scripting Vulnerability in Nagios XI by Nagios Enterprises