CVE-2023-4803

Name: CVE-2023-4803
Creator: NVD / NIST
Published: 2023-09-13T16:15:11.103+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.30%

Last modified Jun 17, 2026

CVE-2023-4803 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. A reflected cross-site scripting vulnerability in the WriteWindowTitle endpoint of the Insider Threat Management (ITM) Server's web console could be used by an authenticated administrator to run arbitrary javascript within another web console administrator's browser. All versions prior to 7.14.3.69 are affected.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

A reflected cross-site scripting vulnerability in the WriteWindowTitle endpoint of the Insider Threat Management (ITM) Server's web console could be used by an authenticated administrator to run arbitrary javascript within another web console administrator's browser. All versions prior to 7.14.3.69 are affected.

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

0.30%

21.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Proofpoint	Insider Threat Management	< 7.14.3.69

References

Timeline

Published: Sep 13, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4803?

How severe is CVE-2023-4803?

CVE-2023-4803 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4803?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-4803?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST