Back to Database
Status published
Medium
CVE-2020-36858
Nagios Log Server < 2.1.6 XSS via Create User, Edit User, & Manage Host Lists Pages
Vulnerability Description
Nagios Log Server versions prior to 2.1.6 contain cross-site scripting (XSS) vulnerabilities via the web interface on the Create User, Edit User, and Manage Host Lists pages. 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-36858
Credits & Attribution
No credits recorded in the NVD database.
References
More from Nagios
View All →CVE-2025-44824
Nagios Log Server before 2024R1.3.2 allows authenticated users (with read-only...
High
8.5
CVE-2025-44823
Nagios Log Server before 2024R1.3.2 allows authenticated users to retrieve...
Critical
9.9
CVE-2025-34323
Nagios Log Server < 2026R1.0.1 Local Privilege Escalation via Writable Scripts and Sudo Rules
High
8.5
CVE-2025-34322
Nagios Log Server < 2026R1.0.1 Authenticated Command Injection via Natural Language Queries
High
8.6
CVE-2025-34298
Nagios Log Server < 2024R1.3.2 Set Email Privilege Escalation
High
8.7
Affected Vendor
Nagios
View all reports →Affected Software
Log Server
Vulnerable Versions:
0
Timeline
Official Publish:
October 30th, 2025
Last Modified:
November 17th, 2025
Added to House:
July 21st, 2026