Medium severity4.3NVD Advisory· Published Jul 1, 2023· Updated Apr 8, 2026
CVE-2021-4403
CVE-2021-4403
Description
The Remove Schema plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.5. This is due to missing or incorrect nonce validation on the validate() function. This makes it possible for unauthenticated attackers to modify the plugins settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Affected products
1- cpe:2.3:a:websitescanner:remove_schema:*:*:*:*:*:wordpress:*:*Range: <=1.5
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
9- plugins.trac.wordpress.org/changesetnvdPatch
- blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/nvdThird Party Advisory
- www.wordfence.com/threat-intel/vulnerabilities/id/89635463-966d-4f7d-995d-ad83a502d95bnvdThird Party Advisory
- blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/nvdNot Applicable
- blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/nvdNot Applicable
- blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/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-4/nvdNot Applicable
- blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/nvdNot Applicable
News mentions
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