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log_server

Vendor: nagios

Actively Exploited 0 CISA KEV List
PoC / Exploits 4 Code Available
Total RCEs 2 Remote Access
Total CVEs 42 Total Indexed
Avg. EPSS 6.80% Exploit Prob.
Latest CVE CVE-2025-34323 Nov 17

Security Vulnerability Index

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5.1 CVSS

Nagios Log Server versions prior to 2024R1 are vulnerable to cross-site scripting (XSS) via the Create User function. 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.

EPSS: 0.47%
8.7 CVSS

Nagios Log Server versions prior to 2024R1 contain an incorrect authorization vulnerability. Users who lacked the required API permission were nevertheless able to invoke API endpoints, resulting in unintended access to data and actions exposed via the API. This incorrect authorization check could allow authenticated but non-privileged users to read or modify resources beyond their intended rights.

EPSS: 0.97%
5.1 CVSS

Nagios Log Server versions prior to 2.1.14 are vulnerable to cross-site scripting (XSS) via the Snapshots Page. Untrusted log content was not safely encoded for the output context, allowing attacker-controlled data present in logs to execute script in the victim’s browser within the application origin.

EPSS: 0.47%
5.1 CVSS

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.

EPSS: 0.47%
5.1 CVSS

Nagios Log Server versions prior to 1.4.2 are vulnerable to cross-site scripting (XSS) in the Dashboards section when rendering log entries in the Logs table. Untrusted log content was not safely encoded for the output context, allowing attacker-controlled data present in logs to execute script in the victim’s browser within the application origin.

EPSS: 0.47%
8.5 CVSS

Nagios Log Server before 2024R1.3.2 allows authenticated users (with read-only API access) to stop the Elasticsearch service via a /nagioslogserver/index.php/api/system/stop?subsystem=elasticsearch call. The service stops even though "message": "Could not stop elasticsearch" is in the API response. This is GL:NLS#474.

EPSS: 2.67%
9.9 CVSS
CVE-2025-44823
Exploit Found

Nagios Log Server before 2024R1.3.2 allows authenticated users to retrieve cleartext administrative API keys via a /nagioslogserver/index.php/api/system/get_users call. This is GL:NLS#475.

EPSS: 15.57%
6.5 CVSS

Lack of TLS validation when downloading a CSV file including mapping from IPs to countries used ONLY for displaying country flags in logs

EPSS: 0.21%
8.3 CVSS
CVE-2025-29471
Exploit Found

Cross Site Scripting vulnerability in Nagios Log Server v.2024R1.3.1 allows a remote attacker to execute arbitrary code via a payload into the Email field.

EPSS: 6.67%
5.4 CVSS

Nagios Log Server before 2.1.9 contains Stored XSS in the custom column view for the alert history and audit log function through the affected pp parameter. This affects users who open a crafted link or third-party web page.

EPSS: 13.15%