What is CVE-2025-40721?

CVE-2025-40721 is a medium-severity vulnerability in Quiter Quiter_gateway, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-07-08.

How severe is CVE-2025-40721?

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

XSS in Quiter Quiter_gateway

CVE-2025-40721

Reflected Cross-site Scripting (XSS) vulnerability in versions prior to 4.7.0 of Quiter Gateway by Quiter. This vulnerability allows an attacker to execute JavaScript code in the victim's browser by sending a malicious URL trhough the id_f…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (10.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Quiter Quiter_gateway
Quiter Gateway (Java War On Apache Tomcat) — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

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

Frequently asked questions

What is CVE-2025-40721?: CVE-2025-40721 is a medium-severity vulnerability in Quiter Quiter_gateway, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-07-08.
How severe is CVE-2025-40721?: Medium severity. CVSS v3 base score is 5.4 out of 10.