Update the WordPress 404 to 301 plugin to the latest available version (at least 3.0.8).
Jerome Bruandet (NinTechNet) discovered and reported this Broken Access Control vulnerability in WordPress 404 to 301 Plugin. A broken access control issue refers to a missing authorization, authentication or nonce token check in a function that could lead to an unprivileged user to executing a certain higher privileged action. This vulnerability has been fixed in version 3.0.8.
Have additional information or questions about this entry? Get in touch.