CSRF in Jamesits Keybase.io Verification

CVE-2026-1072

The Keybase.io Verification plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.4.5. This is due to missing nonce validation when updating plugin settings. This makes it possible for unauthenticated attackers to update the Keybase verification text 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: 0.002 (5.3th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-1072?
CVE-2026-1072 is a medium-severity vulnerability in Jamesits Keybase.io Verification, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-02-18.
How severe is CVE-2026-1072?
Medium severity. CVSS v3 base score is 4.3 out of 10.