What is CVE-2026-4143?

CVE-2026-4143 is a medium-severity vulnerability in Neo2oo5 Neos Connector For Fakturama, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-03-21.

How severe is CVE-2026-4143?

Medium severity. CVSS v3 base score is 4.3 out of 10.

CSRF in Neo2oo5 Neos Connector For Fakturama

CVE-2026-4143

The Neos Connector for Fakturama plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to and including 0.0.14. This is due to missing nonce validation in the ncff_add_plugin_page() function which handles settings updates. This makes it possible for unauthenticated attackers to modify plugin settings via a forged request, granted they can trick a site administrator into performing an action such as clicking a link.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.001 (2.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Neo2oo5 Neos Connector For Fakturama — versions 0

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

Frequently asked questions

What is CVE-2026-4143?: CVE-2026-4143 is a medium-severity vulnerability in Neo2oo5 Neos Connector For Fakturama, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-03-21.
How severe is CVE-2026-4143?: Medium severity. CVSS v3 base score is 4.3 out of 10.