CVE-2026-1072: Keybase.io Verification <= 1.4.5 - Cross-Site Request Forgery to Settings Update

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-18 · updated 2026-06-17
Weakness: CWE-352

Description

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.

Affected products

jamesits Keybase.io Verification: through 1.4.5

References

https://plugins.trac.wordpress.org/browser/wp-keybase-verification/tags/1.4.5/admin/code/write.php#L51
https://plugins.trac.wordpress.org/browser/wp-keybase-verification/trunk/admin/code/write.php#L51
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3455171%40wp-keybase-verification&new=3455171%40wp-keybase-verification&sfp_email=&sfph_mail=
https://www.wordfence.com/threat-intel/vulnerabilities/id/4bbf55eb-7738-4c52-ac9d-a67d159e56cf?source=cve

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