What is CVE-2023-40153?

CVE-2023-40153 is a medium-severity vulnerability in Dexma Dexgate, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-10-19.

How severe is CVE-2023-40153?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Dexma Dexgate

CVE-2023-40153

The affected product is vulnerable to a cross-site scripting vulnerability, which could allow an attacker to access the web application to introduce arbitrary Java Script by injecting an XSS payload into the 'hostname' parameter of the vulnerable software.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-10-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (26.7th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Dexma Dexgate — versions 20130114

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.cisa.gov/news-events/ics-advisories/icsa-23-271-02 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2023-40153?: CVE-2023-40153 is a medium-severity vulnerability in Dexma Dexgate, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-10-19.
How severe is CVE-2023-40153?: Medium severity. CVSS v3 base score is 5.4 out of 10.