CVSS Score of 10 (low)


Published Jul 1, 2023
Updated: Nov 7, 2023
CWE ID 352


CVE-2021-4403 is a vulnerability found in the Remove Schema plugin for WordPress versions up to and including 1.5. The vulnerability arises due to missing or incorrect nonce validation on the validate() function. This allows unauthenticated attackers to manipulate the plugin's settings by tricking a site administrator into clicking on a malicious link. The vulnerability poses a medium risk with a base score of 4.3 according to [email protected], and it has the potential to impact the integrity of affected systems. To remediate this vulnerability, users should update their WordPress installations to the latest version of the Remove Schema plugin, which includes proper nonce validation checks.

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