CVE-2026-45392CRITICAL 8.7EPSS p19.7%

CVE-2026-45392CVE-2026-45392

Description

DOM-based cross-site scripting (XSS) in Cribl Stream before 4.17.1 allows a remote attacker to execute arbitrary JavaScript in the browser of an authenticated user who is tricked into visiting a crafted URL and interacting with the page.

Scoring

CVSS 3.18.7 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
EPSS0.28% probability of exploitation · percentile 19.7% · 2026-06-19T12:03:05Z
Published2026-05-12
Last modified2026-06-02

Underlying weaknesses· 1

CWE-20

References

  1. https://docs.cribl.io/stream/release-notes/release-v4171#security-fixes
  2. https://trust.cribl.io/notifications

1

TypeTargetConfidenceTier
WeaknessImproper Input Validationcwe-200%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.