CVE-2026-2680
Reflected XSS in A3factura 'customerVATNumber' Enables Code Execution
Publication date: 2026-02-26
Last updated on: 2026-03-02
Assigner: Spanish National Cybersecurity Institute, S.A. (INCIBE)
Description
Description
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EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wolterskluwer | a3factura | 4.111.2 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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How can this vulnerability be detected on my network or system? Can you suggest some commands?
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What immediate steps should I take to mitigate this vulnerability?
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How can this vulnerability impact me? :
The vulnerability could allow an attacker to run malicious scripts in the browser of a user interacting with the affected platform. This can lead to unauthorized actions such as stealing session cookies, redirecting users to malicious sites, or performing actions on behalf of the user without their consent.
Can you explain this vulnerability to me?
This vulnerability is a Reflected Cross-Site Scripting (XSS) issue found in the A3factura web platform. It occurs in the 'customerVATNumber' parameter of the 'a3factura-app.wolterskluwer.es/#/incomes/salesDeliveryNotes' endpoint. An attacker could exploit this flaw to execute arbitrary code in the victim's browser.