CVE-2021-47699CWE-79

Nagios XI < 5.8.7 XSS in Audit Log via Send to NLS Form

Medium · published October 30, 2025

CVSS v4.0
5.1
EPSS
0%
Percentile
35.2
In the wild
Unconfirmed
What it is

Nagios XI versions prior to 5.8.7 are vulnerable to cross-site scripting (XSS) via the Audit Log page’s Send to NLS form. 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.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
EPSS
0.00420 · 35.2th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-10-30T21:48Z
EPSS history
Timeline
  • 30 OCT 21:48Z
    Nagios XI < 5.8.7 XSS in Audit Log via Send to NLS Form
    cvelistv5