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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.

PUBLISHED Reserved 2026-05-12 | Published 2026-05-12 | Updated 2026-06-02 | Assigner Cribl




HIGH: 7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
HIGH: 8.7CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Problem types

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

Product status

Default status
unaffected

Any version before 4.17.1
affected

Credits

Frank Lycops, NATO NCSC finder

Filip Waeytens, NATO NCSC finder

References

docs.cribl.io/stream/release-notes/release-v4171 (Cribl Stream 4.17.1 Security Fixes) release-notes

trust.cribl.io/notifications (Cribl Trust Portal) vendor-advisory

cve.org (CVE-2026-45392)

nvd.nist.gov (CVE-2026-45392)

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