What is CVE-2018-14380?

CVE-2018-14380 is a medium-severity vulnerability in Graylog, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-07-18.

How severe is CVE-2018-14380?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2018-14380 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Graylog

CVE-2018-14380

In Graylog before 2.4.6, XSS was possible in typeahead components, related to components/common/TypeAheadInput.jsx and components/search/QueryInput.ts.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-07-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (60.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.7% 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

Graylog

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

ossf-cve-benchmark/CVE-2018-14380

References

github.com/Graylog2/graylog2-server/pull/4904 (Third Party Advisory)
www.graylog.org/post/announcing-the-release-of-graylog-2-4-6 (Patch, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2018-14380?: CVE-2018-14380 is a medium-severity vulnerability in Graylog, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-07-18.
How severe is CVE-2018-14380?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2018-14380 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.