GHSA-X8XM-C7P8-2PJ2 Silverstripe cross-site scripting (XSS) attack in elemental "Content blocks in use" report

An elemental block can include an XSS payload, which can be executed when viewing the "Content blocks in use" report. The vulnerability is specific to that report and is a result of failure to cast input prior to including it in the grid field. References -...