What is CVE-2025-40729?

CVE-2025-40729 is a medium-severity vulnerability in Customer Support System, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-06-16.

How severe is CVE-2025-40729?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Customer Support System

CVE-2025-40729

Reflected Cross-Site Scripting (XSS) in /customer_support/index.php in Customer Support System v1.0, which allows remote attackers to execute arbitrary code via the page parameter.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (24.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Customer Support System — versions all versions
Oretnom23 Customer_support_system — versions 1.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve-coordination@incibe.es (Third Party Advisory)

Frequently asked questions

What is CVE-2025-40729?: CVE-2025-40729 is a medium-severity vulnerability in Customer Support System, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-06-16.
How severe is CVE-2025-40729?: Medium severity. CVSS v3 base score is 6.1 out of 10.