CVE-2021-38156: nagios nagios_xi Cross-site Scripting
CVSS: 5.4v3.1MediumModified
Published 15-09-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-38156 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in nagios nagios_xi. EPSS estimates a 92.91% chance of exploitation in the next 30 days, higher than 99.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.4/10
010
Medium · v3.1 (NVD)EPSS score
92.91%
0%100%
Critical · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 15-09-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
In Nagios XI before 5.8.6, XSS exists in the dashboard page (/dashboards/#) when administrative users attempt to edit a dashboard.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.4Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NSourcesSingle source
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
92.91%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
0.00 pp
From 92.91% on 22-09-2026
22-09-202622-10-2026
EPSS score92.91%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (raxis.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Nagios1 product
- nagios_xi< 5.8.6
1 vendor · 1 product