CVE-2026-45392

DOM-based XSS in Cribl Stream

Published May 12, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Upgrade Cribl Stream to v4.17.1 or higher. Upgrading fully resolves this vulnerability and no additional mitigation is required. As a defense-in-depth best practice (independent of this CVE), configuring a Content Security Policy header is recommended; see https://docs.cribl.io/stream/securing-sources-dest#csp for non-SSO and https://docs.cribl.io/stream/securing-sources-dest#saml-sso-configuration for SSO deployments.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-200
CWE-284
Type Values Removed Values Added
Description Reserved. Details will be published at disclosure. 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.
Title Reserved Vulnerability in Cribl Stream DOM-based XSS in Cribl Stream
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

cvssV3_1

{'score': 8.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N'}

Type Values Removed Values Added
Weaknesses CWE-20
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Cribl
Cribl cribl Stream
Vendors & Products Cribl
Cribl cribl Stream
Type Values Removed Values Added
Title Reserved Vulnerability in Cribl Stream
Weaknesses CWE-200
CWE-284
Weaknesses

Sources

Status
PUBLISHED
Assigner
Cribl
Published
Updated
Jun 2, 2026, 3:53 PM
Reserved
May 12, 2026, 1:05 AM
Status
Deferred
Published
May 12, 2026, 2:16 AM
Modified
Oct 26, 2026, 6:10 PM