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TI-2021-08001 Aliases CVE-2021-26023GHSA-cpp5-h3qh-vqxm

The Favorites component before 1.0.2 for Nagios XI 5.8.0 is vulnerable to XSS.

Priority MEDIUM 49CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

The Favorites component before 1.0.2 for Nagios XI 5.8.0 is vulnerable to XSS.

Why it matters now

EPSS 0.25454 97th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:nagios:favorites:*:*:*:*:*:*:*:*before 1.0.2VulnerableNagios
cpe:2.3:a:nagios:nagios_xi:5.8.0:*:*:*:*:*:*:*5.8.0Running onNagios
  • cpe:2.3:a:nagios:favorites:*:*:*:*:*:*:*:* Versions before 1.0.2 Vulnerable ·Nagios
  • cpe:2.3:a:nagios:nagios_xi:5.8.0:*:*:*:*:*:*:* Versions 5.8.0 Running on ·Nagios

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-26023
  2. 2026-10-03 Alias added: GHSA-cpp5-h3qh-vqxm

References

Advisory 1

  • TI-2021-08002 The Favorites component before 1.0.2 for Nagios XI 5.8.0 is vulnerable to Insecure Direct… CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences