CVE-2025-40721: quiter gateway XSS (CVSS 5.4)

Description

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.

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CVSS v3.1 Score

5.4

MEDIUM

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
quiter	quiter_gateway	< 4.7.0

References

Other References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-quiterweb-autoweb-quiter

Frequently Asked Questions

What is 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_factura parameter in /<Client>FacturaE/listado_facturas_ficha.jsp. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2025-40721? +

CVE-2025-40721 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-40721? +

CVE-2025-40721 affects products from quiter, specifically: quiter_gateway. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-40721? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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