CVE-2026-54087 EasyAdmin: Stored Cross-Site Scripting (XSS) via uploaded files served inline in FileField and ImageField

EasyAdmin is a fast and modern admin generator for Symfony applications. From 5.0.0 until 5.0.13, FileField and ImageField can accept browser-executable uploads while templates/crud/field/file.html.twig links to stored files for inline same-origin rendering without a download attribute or...

Cross-site Scripting (XSS)

EasyAdmin is vulnerable to Cross-Site Scripting XSS. The vulnerability is due to insufficient restrictions on uploaded file types and serving uploaded files inline from the public web root, which allows an attacker to upload malicious HTML or SVG files that execute JavaScript in an administrator'...

EasyAdmin: Stored Cross-Site Scripting (XSS) via uploaded files served inline in FileField and ImageField

EasyAdmin's FileField and ImageField accept browser-executable file types by default FileField applies no MIME/extension restrictions; ImageField's default Image constraint accepts SVG. When the upload directory is configured inside the public web root — as shown in the documentation — EasyAdmin...