CVE-2026-2680 PUBLISHED

Multiple vulnerabilities in A3factura software

Assigner: INCIBE
Reserved: 18.02.2026 Published: 26.02.2026 Updated: 26.02.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CVSS Score: 4.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	Low
Attack Complexity	Low	Integrity	None	Integrity	Low
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	Active

CVSS 4.0

Product Status

Vendor	A3factura
Product	A3factura
Versions	Default: unaffected Version 4.111.2-rev.1 is affected

Solutions

The fix has been deployed in production in version 4.114.0-rev.6, released on 17/02/2026.

Credits

David Padilla Alvarado finder

References

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

Problem Types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') CWE