# CVE-2020-36865: Nagios XI versions prior to 5.7.2 are vulnerable to cross-site scripting (XSS) via the BPI (Business Process…

Source: https://junglewise.ai/threats/cve-2020-36865-nagios-xi-versions-prior-to-5-7-2-are-vulnerable-to-cross-site  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-10-30  
License: CC BY 4.0 with a link back

CVE-2020-36865 · Severity: medium · CVSS 5.4 · Published 2025-10-30

Nagios XI versions prior to 5.7.2 are vulnerable to cross-site scripting (XSS) via the BPI (Business Process Intelligence) component’s Config Management and Edit Config page. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.

Technologies: [Nagios XI](https://junglewise.ai/threats/technologies/xi). Vendors: [Nagios](https://junglewise.ai/threats/vendors/nagios).

## Quick answers

**Is CVE-2020-36865 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2020-36865 being exploited in the wild.

**How severe is CVE-2020-36865?** Medium severity, with a CVSS score of 5.4, published 30 October 2025.

**Which products and versions are affected?** Nagios XI. The advisory does not name versions.

**Is there a fix for CVE-2020-36865?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2020-36865?** Check whether you run Nagios XI. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Nagios XI

## Related threats

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- [In NagiosXI 2026R1.0.1 build 1762361101, Dashboard parameters lack proper filtering, allowing any authenticated user…](https://junglewise.ai/threats/cve-2025-67255-in-nagiosxi-2026r1-0-1-build-1762361101-dashboard-parameters-lack)
- [NagiosXI 2026R1.0.1 build 1762361101 is vulnerable to Directory Traversal in /admin/coreconfigsnapshots.php.](https://junglewise.ai/threats/cve-2025-67254-nagiosxi-2026r1-0-1-build-1762361101-is-vulnerable-to-directory)
- [Nagios XI versions prior to 2026R1 contain a remote code execution vulnerability in the Core Config Manager (CCM) Run…](https://junglewise.ai/threats/cve-2025-34286-nagios-xi-versions-prior-to-2026r1-contain-a-remote-code)
- [Nagios XI versions prior to < 2024R1.0.2 are vulnerable to cross-site scripting (XSS) via the Nagios Core Command…](https://junglewise.ai/threats/cve-2023-7318-nagios-xi-versions-prior-to-2024r1-0-2-are-vulnerable-to-cross)