XSS in A3factura
CVE-2026-2678
Reflected Cross-Site Scripting (XSS) on the A3factura web platform, in parameter 'name', parameter 'name', in 'a3factura-app.wolterskluwer.es/#/incomes/customers' endpoint, which could allow an attacker to execute arbitrary code in the victim's browser.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (19.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- A3factura — versions 4.111.2-rev.1
- Wolterskluwer A3factura — versions 4.111.2
Weakness classification (CWE)
References
- www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-a3factura-s… (Third Party Advisory, patch)
Frequently asked questions
- What is CVE-2026-2678?
- CVE-2026-2678 is a medium-severity vulnerability in A3factura, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-02-26.
- How severe is CVE-2026-2678?
- Medium severity. CVSS v3 base score is 6.1 out of 10.