CVE-2026-45392

DOM-based XSS in Cribl Stream

State: Published
Severity: 7.1 High
Published: May 12, 2026
Updated: Jun 2, 2026
Reserved: May 12, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	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	Cribl
3.1	8.7 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N	Cribl
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-20 Improper Input Validation

Affected Products

Product	Versions
Cribl StreamCribl	before 4.17.1Affected

References

Cribl Stream 4.17.1 Security Fixesrelease-notes
Cribl Trust Portalvendor-advisory

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