6.1

CVE-2018-20172: nagios nagios_xi Cross-site Scripting

CVSS: 6.1v3.0MediumModified
Published 17-12-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-20172 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in nagios nagios_xi. EPSS estimates a 1.59% chance of exploitation in the next 30 days, higher than 75.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.0 (NVD)
EPSS score
1.59%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 17-12-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in Nagios XI before 5.5.8. The rss_url parameter of rss_dashlet/magpierss/scripts/magpie_slashbox.php is not filtered, resulting in an XSS vulnerability.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.59%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

0.00 pp

From 1.59% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.59%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (seebug.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Nagios1 product

1 vendor · 1 product

References

2 links