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OpenAdvisories
High · 8.1 CVE-2026-102126 EUVD-2026-90291

Kiteworks Core Stored Cross-site Scripting (XSS)

Published Sep 30, 2026 · Updated Oct 1, 2026 · Assigned by cisa-cg

Description

A stored cross-site scripting (XSS) weakness in Kiteworks Core could allow an administrator holding only a single, narrowly scoped delegated permission to store crafted content that later executes arbitrary JavaScript in the authenticated session of a System Administrator who views the affected page. This could have permitted the lower-privileged administrator to escalate to full administrative control of the tenant, including the creation of a new administrative account.

Affected products

VendorProductAffectedFixed
Kiteworks Core < 9.5.1 9.5.1

Advisories 3

References

  • url vendor-advisory
  • url third-party-advisory