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Vulnerability DatabaseCVE-2023-46287

CVE-2023-46287: 
Linux Debian vulnerability analysis and mitigation

Overview

A cross-site scripting (XSS) vulnerability was discovered in NagVis versions before 1.9.38. The vulnerability exists in the select function within the share/server/core/functions/html.php file. This issue was disclosed on October 20, 2023, and has been assigned a CVSS v3.1 base score of 6.1 (Medium) (NVD).

Technical details

The vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation). The issue stems from insufficient sanitization of user input in the select function located in share/server/core/functions/html.php. The vulnerability was fixed by implementing proper HTML encoding using htmlspecialchars() function (GitHub Patch).

Impact

If exploited, this cross-site scripting vulnerability could allow attackers to execute arbitrary JavaScript code in the context of the user's browser session. This could potentially lead to theft of sensitive information, session hijacking, or other client-side attacks (NVD).

Mitigation and workarounds

The vulnerability has been fixed in NagVis version 1.9.38. Users are advised to upgrade to this version or later to address the security issue. The fix involves properly encoding HTML output using htmlspecialchars() function (GitHub PR).

Additional resources

Source: This report was generated using AI

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