What is the CVSS score of CVE-2023-28347?

CVE-2023-28347 has a CVSS 3.1 base score of 9.6 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H. EPSS exploitation probability: 2.8%.

Is there a public PoC exploit available for CVE-2023-28347?

Yes, a public proof-of-concept exploit is available for CVE-2023-28347. Prioritise patching immediately. EPSS: 2.8%.

Insight CVE-2023-28347

CRITICAL

Cross-site Scripting (XSS) (CWE-79)

2023-05-31 cve@mitre.org

RCE XSS Microsoft Insight

9.6

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.6 CRITICAL

AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 31, 2023 - 00:15 nvd

CRITICAL 9.6

DescriptionNVD

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.

AnalysisAI

An issue was discovered in Faronics Insight 10.0.19045 on Windows. Rated critical severity (CVSS 9.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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. Affected products include: Faronics Insight.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.