The Image Source Control WordPress plugin before 2.3.1 allows users with a role as low as Contributor to change arbitrary post meta fields of arbitrary posts (even those they should not be able to edit)Creditsapple502jReferenceshttps://wpscan.com/vulnerability/3550ba54-7786-4ad9-aeb1-1c0750f189d0https://plugins.trac.wordpress.org/changeset/2606615/