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Vulnerability record · CVE-2020-6586 · published 16 March 2020

CVE-2020-6586: Nagios cross-site scripting vulnerability

Nagios · Nagios

Nagios Log Server 2.1.3 allows XSS by visiting /profile and entering a crafted name field that is mishandled on the /admin/users page. Any malicious user with limited access can store an XSS payload in his Name. When any admin views this, the XSS is triggered.

5.4 CVSS 3.1 Medium EPSS 19% · top 2.8% CWE-79 · Cross-site scripting
5.4CVSS 3.1 base score, v2 3.5
19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Nagios Log Server 2.1.3 allows XSS by visiting /profile and entering a crafted name field that is mishandled on the /admin/users page. Any malicious user with limited access can store an XSS payload in his Name. When any admin views this, the XSS is triggered.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://assets.nagios.com/downloads/nagios-log-server/CHANGES.TXT Release NotesVendor Advisory
https://medium.com/%40fixitt6/multiple-vulnerabilities-in-nagios-log-server-2-1-3-af7c160edc60
https://www.nagios.com/products/nagios-log-server/ Product
https://assets.nagios.com/downloads/nagios-log-server/CHANGES.TXT Release NotesVendor Advisory
https://medium.com/%40fixitt6/multiple-vulnerabilities-in-nagios-log-server-2-1-3-af7c160edc60
https://www.nagios.com/products/nagios-log-server/ Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-6586), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.