CVE-2026-2680

MEDIUM

Wolters Kluwer a3factura - Reflected Cross-Site Scripting via customerVATNumber Parameter

Title source: llm

Description

Reflected Cross-Site Scripting (XSS) on the A3factura web platform, in parameter 'customerVATNumber', in 'a3factura-app.wolterskluwer.es/#/incomes/salesDeliveryNotes' endpoint, which could allow an attacker to execute arbitrary code in the victim's browser.

References (1)

Core 1

Core References

Third Party Advisory, US Government Resource patch

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-a3factura-software

Scores

CVSS v3 6.1

EPSS 0.0018

EPSS Percentile 7.1%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (1)

wolterskluwer/a3factura 4.111.2 rev.1

Published Feb 26, 2026

Tracked Since Feb 26, 2026