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Description

The Remove Yellow BGBOX plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0. This is due to missing or incorrect nonce validation on the 'rybb_api_settings' page. This makes it possible for unauthenticated attackers to reset the plugin's stored settings by overwriting its configuration via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

PUBLISHED Reserved 2026-05-12 | Published 2026-05-20 | Updated 2026-05-20 | Assigner Wordfence




MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Problem types

CWE-352 Cross-Site Request Forgery (CSRF)

Product status

Default status
unaffected

Any version
affected

Timeline

2026-05-19:Disclosed

Credits

Muhammad Nur Ibnu Hubab finder

References

www.wordfence.com/...-a3f8-4535-a47f-675c939ec648?source=cve

plugins.trac.wordpress.org/...nk/admin/rybb_api_settings.php

plugins.trac.wordpress.org/....0/admin/rybb_api_settings.php

plugins.trac.wordpress.org/...x/trunk/includes/functions.php

plugins.trac.wordpress.org/...ags/1.0/includes/functions.php

cve.org (CVE-2026-8424)

nvd.nist.gov (CVE-2026-8424)

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