WordPress before 5.5.2 allows CSRF attacks that change a theme's background image.Referenceshttps://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/https://blog.wpscan.com/2020/10/30/wordpress-5.5.2-security-release.htmlhttps://lists.debian.org/debian-lts-announce/2020/11/msg00004.htmlhttps://www.debian.org/security/2020/dsa-4784https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VAVVYJKA2I6CRQUINECDPBGWMQDEG244/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUXVUAKL2HL4QYJEPHBNVQQWRMFMII2Y/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHHVNK2WYAM3ZTCXTFSEIT56IKLVJHU3/