How severe is CVE-2025-40720?

CVE-2025-40720 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-40720 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-40720?

CVE-2025-40720 affects Quiter Quiter Gateway. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-40720?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-40720 have an EU (EUVD) identifier?

Yes. CVE-2025-40720 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20457.

When was CVE-2025-40720 published?

CVE-2025-40720 was published on 2025-07-08 and last updated on 2026-06-17.

CVE-2025-40720

CVE-2025-40720 is a medium-severity vulnerability in Quiter Quiter Gateway with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 5.1
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-20457
Weakness: CWE-79
Affected product: Quiter Quiter Gateway
Published: 2025-07-08
Last modified: 2026-06-17

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 campo parameter in /<Client>FacturaE/VerFacturaPDF.

Frequently asked questions

What is CVE-2025-40720?: 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 campo parameter in /<Client>FacturaE/VerFacturaPDF.
How severe is CVE-2025-40720?: CVE-2025-40720 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-40720 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-40720?: CVE-2025-40720 affects Quiter Quiter Gateway. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-40720?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-40720 have an EU (EUVD) identifier?: Yes. CVE-2025-40720 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20457.
When was CVE-2025-40720 published?: CVE-2025-40720 was published on 2025-07-08 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:quiter:quiter_gateway:*:*:*:*:*:*:*:*

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