What is CVE-2023-28347?

CVE-2023-28347 is a critical-severity vulnerability in Faronics Insight, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2023-05-31.

How severe is CVE-2023-28347?

Critical severity. CVSS v3 base score is 9.6 out of 10.

XSS in Faronics Insight

CVE-2023-28347

An issue was discovered in Faronics Insight 10.0.19045 on Windows. It is possible for an attacker to create a proof-of-concept script that functions similarly to a Student Console, providing unauthenticated attackers with the ability to exploit XSS vulnerabilities within the Teacher Console application and achieve remote code execution as NT AUTHORITY/SYSTEM on all connected Student Consoles and the Teacher Console in a Zero Click manner.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-05-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.028 (85.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000

Affected products

Faronics Insight — versions 10.0.19045
Microsoft Windows

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

research.nccgroup.com/ (Third Party Advisory)
research.nccgroup.com/2023/05/30/technical-advisory-multiple-vulnerabilities-in… (Exploit, Third Party Advisory, Release Notes, Mitigation)

Frequently asked questions

What is CVE-2023-28347?: CVE-2023-28347 is a critical-severity vulnerability in Faronics Insight, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2023-05-31.
How severe is CVE-2023-28347?: Critical severity. CVSS v3 base score is 9.6 out of 10.