GHSA-7G78-5G5G-MVFJ Grav vulnerable to Cross-Site Scripting (XSS) Stored endpoint `/admin/pages/[page]` parameter `data[header][template]` in Advanced Tab

Summary A Stored Cross-Site Scripting XSS vulnerability was identified in the /admin/pages/page endpoint of the Grav application. This vulnerability allows attackers to inject malicious scripts into the dataheadertemplate parameter. The script is saved within the page's frontmatter and executed...