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Description

The Shield Security plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 21.0.8. This is due to the plugin allowing nonce verification to be bypassed via user-supplied parameter in the 'isNonceVerifyRequired' function. This makes it possible for unauthenticated attackers to execute SQL injection attacks, extracting sensitive information from the database, via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

PUBLISHED Reserved 2026-01-08 | Published 2026-02-19 | Updated 2026-02-24 | Assigner Wordfence




MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Problem types

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Product status

Default status
unaffected

* (semver)
affected

Timeline

2025-12-26:Discovered
2026-02-18:Disclosed

Credits

Dmitrii Ignatyev finder

References

www.wordfence.com/...-56e9-41aa-b6b7-2472734ee719?source=cve

plugins.trac.wordpress.org/...onRouter/CaptureAjaxAction.php

plugins.trac.wordpress.org/...nRouter/Actions/BaseAction.php

plugins.trac.wordpress.org/...ffic/BuildTrafficTableData.php

research.cleantalk.org/cve-2026-0722/

plugins.trac.wordpress.org/...firewall&sfp_email=&sfph_mail=

cve.org (CVE-2026-0722)

nvd.nist.gov (CVE-2026-0722)

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