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Fortinet PSIRT AdvisoriesFG-IR-26-149

Cross-Site Scripting in Domain parameter

MediumVendor CVSS 5.3 / 10 1 CVE Published Jul 14, 2026 at 7:00 AM UTC

Summary

CVSSv3 Score:

5.3

An Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability [CWE-80] in FortiSIEM may allow a privileged administrator to execute unauthorized commands via crafted requests.

Revised on 2026-07-14 00:00:00

Products covered

  • FortiSIEM

Remediation

Separate remediation guidance was not included in the collected bulletin.

CVEs in this advisory 1

Update history

What changed in later vendor updates

SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.

    • Added CVEs: CVE-2026-59838.

Updates

  1. Published by Fortinet

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.