CVE-2026-45072

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 6.4.24 until 6.4.40, 7.4.12, and 8.0.12, the development profiler fileexcerpt Twig filter escapes PHP files through highlightstring but interpolates lines from non-PHP files directly into...

Symfony Vulnerable to stored XSS in WebProfiler CodeExtension::fileExcerpt() — Unescaped Non-PHP File Rendering

Description Symfony's profiler, a development only debug UI, renders source-code excerpts on several pages using Twig's custom fileexcerpt filter. This filter renders PHP files via highlightstring which escapes HTML, but renders non-PHP files by splitting on \n and interpolating each line directl...