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Description

Hayabusa versions prior to 3.8.0 contain a cross-site scripting (XSS) vulnerability in its HTML report output that allows an attacker to execute arbitrary JavaScript when a user scans JSON-exported logs containing malicious content in the Computer field. An attacker can inject JavaScript into the Computer field of JSON logs that executes in the forensic examiner's browser session when viewing the generated HTML report, leading to information disclosure or code execution.

PUBLISHED Reserved 2026-04-08 | Published 2026-04-08 | Updated 2026-04-11 | Assigner VulnCheck




MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

MEDIUM: 5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Problem types

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

Product status

Default status
unaffected

Any version
affected

3.8.0 (semver)
unaffected

Credits

Mobasi Security Team finder

References

github.com/Yamato-Security/hayabusa/releases/tag/v3.8.0 (Release Notes) product

mobasi.ai/sentinel (Mobasi Sentinel Vulnerability Index) vendor-advisory

www.vulncheck.com/...sories/hayabusa-xss-via-json-log-import (VulnCheck Advisory: Hayabusa < 3.8.0 XSS via JSON Log Import) third-party-advisory

cve.org (CVE-2026-40028)

nvd.nist.gov (CVE-2026-40028)

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