CVE-2021-4391

Summary

CVE-2021-4391 is a cross-site request forgery vulnerability affecting the Ultimate Gift Cards plugin for WordPress in versions up to 2.1.1. Unauthenticated attackers can exploit this issue by forging requests to trick site administrators into modifying product gift card details. The root cause is the missing or incorrect nonce validation on the mwb_wgm_save_post() function, leaving the plugin open to manipulation and potential data loss. This vulnerability poses a serious risk to WordPress sites using the Ultimate Gift Cards plugin, and administrators are urged to upgrade to the latest version as soon as possible to mitigate it.

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