What is CVE-2026-0811?

CVE-2026-0811 is a medium-severity vulnerability in Vsourz1td Advanced Contact Form 7 Db, classified under Cross-Site Request Forgery (CSRF). CVSS score: 5.4/10. Published 2026-04-08.

How severe is CVE-2026-0811?

Medium severity. CVSS v3 base score is 5.4 out of 10.

CSRF in Vsourz1td Advanced Contact Form 7 Db

CVE-2026-0811

The Advanced Contact form 7 DB plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.9. This is due to missing or incorrect nonce validation on the 'vsz_cf7_save_setting_callback' function. This makes it possible for unauthenticated attackers to delete form entry via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.001 (3.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L.

Affected products

Vsourz1td Advanced Contact Form 7 Db — versions 0

Weakness classification (CWE)

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

References

Frequently asked questions

What is CVE-2026-0811?: CVE-2026-0811 is a medium-severity vulnerability in Vsourz1td Advanced Contact Form 7 Db, classified under Cross-Site Request Forgery (CSRF). CVSS score: 5.4/10. Published 2026-04-08.
How severe is CVE-2026-0811?: Medium severity. CVSS v3 base score is 5.4 out of 10.