{"id":29637,"date":"2025-04-23T09:52:54","date_gmt":"2025-04-23T09:52:54","guid":{"rendered":""},"modified":"2025-09-08T17:18:53","modified_gmt":"2025-09-08T23:18:53","slug":"cve-2025-29471-cross-site-scripting-vulnerability-in-nagios-log-server","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-29471-cross-site-scripting-vulnerability-in-nagios-log-server\/","title":{"rendered":"CVE-2025-29471: Cross Site Scripting Vulnerability in Nagios Log Server<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

A critical security vulnerability, designated as CVE-2025-29471, has been identified in the Nagios Log Server version 2024R1.3.1. This vulnerability allows a remote attacker to execute arbitrary code through a Cross Site Scripting (XSS) attack, specifically by injecting a malicious payload into the Email field. This vulnerability, if exploited, can lead to a full system<\/a> compromise or data leakage, posing a significant risk to businesses and individuals using the affected software.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-29471
\nSeverity: High (8.3\/10 on the CVSS scale)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: Required
\nImpact: Potential system<\/a> compromise and data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Nagios Log Server | v.2024R1.3.1<\/p>\n

How the Exploit Works<\/strong><\/p>\n

This exploit works by taking advantage of the lack of proper sanitization of the Email field in the Nagios Log<\/a> Server. An attacker can inject a malicious<\/a> payload, typically scripts, into the email field which is then executed when the page is rendered. This allows the attacker to execute arbitrary code<\/a> with the permissions of the user viewing the page. The attacker can then potentially gain unauthorized access<\/a> or leak sensitive data.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Imagine the following HTTP POST request, which an attacker might use to exploit the vulnerability<\/a>:<\/p>\n

POST \/login HTTP\/1.1\nHost: nagioslogserver.example.com\nContent-Type: application\/x-www-form-urlencoded\nemail=<script>malicious_payload<\/script>&password=pass<\/code><\/pre>\n
In this example, the `malicious_payload` is a script that the attacker wants to execute<\/a> on the server or on the client’s browser. It could be designed to steal session cookies<\/a>, perform actions as the logged-in user, or even to deliver malware.<\/p>\n
Mitigation<\/strong><\/p>\n
It is highly recommended to apply the latest vendor patch to mitigate this vulnerability. If it is not possible to apply the patch immediately, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can offer temporary protection by blocking attempts to exploit this vulnerability<\/a>. Regularly updating and patching software can prevent such vulnerabilities<\/a> from being exploited.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview A critical security vulnerability, designated as CVE-2025-29471, has been identified in the Nagios Log Server version 2024R1.3.1. This vulnerability allows a remote attacker to execute arbitrary code through a Cross Site Scripting (XSS) attack, specifically by injecting a malicious payload into the Email field. This vulnerability, if exploited, can lead to a full system […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[81],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-29637","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-xss"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t