Medium severity4.3NVD Advisory· Published Jul 12, 2023· Updated Jun 17, 2026
CVE-2021-4407
CVE-2021-4407
Description
The Custom Banners plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.2.2 This is due to missing or incorrect nonce validation on the saveCustomFields() function. This makes it possible for unauthenticated attackers to save custom fields via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Affected products
2- cpe:2.3:a:goldplugins:custom_banners:*:*:*:*:*:wordpress:*:*Range: <=3.2.2
- Range: <=3.2.2
Patches
Vulnerability mechanics
References
9- plugins.trac.wordpress.org/changesetnvdPatch
- blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/nvdThird Party Advisory
- blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/nvdThird Party Advisory
- www.wordfence.com/threat-intel/vulnerabilities/id/8f4c086d-8209-4212-9d91-67238c1a9143nvdThird Party Advisory
- blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/nvdNot Applicable
- blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/nvdNot Applicable
- blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/nvdNot Applicable
- blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/nvdNot Applicable
- blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/nvdNot Applicable
News mentions
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