What is CVE-2018-18250?

CVE-2018-18250 is a high-severity vulnerability in Icinga Web 2, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.5/10. Published 2018-12-17.

How severe is CVE-2018-18250?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Icinga Web 2

CVE-2018-18250

Icinga Web 2 before 2.6.2 allows parameters that break navigation dashlets, as demonstrated by a single '$' character as the Name of a Navigation item.

Published 2018-12-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.010 (62.3th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 62nd percentile — 62.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Icinga Web 2

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

References

herolab.usd.de/wp-content/uploads/sites/4/2018/12/usd20180030.txt (Exploit, Third Party Advisory)
lists.opensuse.org/opensuse-security-announce/2020-01/msg00031.html (vendor-advisory)

Frequently asked questions

What is CVE-2018-18250?: CVE-2018-18250 is a high-severity vulnerability in Icinga Web 2, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.5/10. Published 2018-12-17.
How severe is CVE-2018-18250?: High severity. CVSS v3 base score is 7.5 out of 10.