Cross-Site Request Forgery in WooCommerce PDF Invoice Builder for WordPress

CVE-2023-4161

Summary

The WooCommerce PDF Invoice Builder for WordPress has a vulnerability allowing unauthenticated attackers to exploit a missing nonce check in the SaveCustomField function. This flaw enables these attackers to create or modify invoice fields if they can trick an administrator into executing an action, such as clicking on a malicious link. This vulnerability affects versions of the plugin up to and including 1.2.90, highlighting the importance of implementing nonce checks to prevent unauthorized actions within plugins.

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