CVE-2025-40721

low-risk

Published 2025-07-08

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_factura parameter in /<Client>FacturaE/listado_facturas_ficha.jsp.

Do I need to act?

0.05% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.4/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Quiter Gateway

Affected Vendors

Quiter

References (1)

Third Party Advisory https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-quit...

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low-risk

Severity 21/34 · High

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal