CVE-2021-47698
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-03

Last updated on: 2025-11-07

Assigner: VulnCheck

Description
Nagios XI versions prior to 5.8.7 using embedded Nagios Core are vulnerable to cross-site scripting (XSS) via the Core UI’s Views URL handling (escape_string()). 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.
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Meta Information
Published
2025-11-03
Last Modified
2025-11-07
Generated
2026-05-07
AI Q&A
2025-11-03
EPSS Evaluated
2026-05-05
NVD
CVE-2021-47698
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
nagios nagios_xi to 5.8.7 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability in Nagios XI versions prior to 5.8.7 involves cross-site scripting (XSS) through the embedded Nagios Core's Views URL handling. Due to insufficient validation or escaping of user-supplied input, an attacker can inject and execute arbitrary scripts in the context of a victim's browser.


How can this vulnerability impact me? :

An attacker exploiting this vulnerability could execute arbitrary scripts in a victim's browser, potentially leading to session hijacking, defacement, or other malicious actions performed on behalf of the victim within the affected application.


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