CVE-2026-55878

Symfony UX is a JavaScript ecosystem for Symfony. From 2.32.0 before 2.36.1 and from 3.0.0 before 3.2.0, the ux:install console command installs files from a recipe kit by copying paths listed in a copy-files map, and because Path::isRelative accepts paths like ../../../etc, a crafted or...

CVE-2026-55877

Symfony UX is a JavaScript ecosystem for Symfony. From 2.17.0 before 2.36.1 and from 3.0.0 before 3.2.0, the uxicon Twig function is marked issafe='html' and Icon::toHtml inlines SVG source verbatim, allowing unsanitized local SVG files or Iconify on-demand JSON body responses containing nested...

CVE-2026-55877

The CVE-2026-55877 entry covers an XSS vulnerability in Symfony UX icons. From 2.17.0–2.36.0 and 3.0.0–3.1.9 (before 3.2.0), the ux_icon() Twig function is marked is_safe=['html'] and Icon::toHtml() inlines SVG source, allowing unsanitized local SVGs or Iconify on-demand responses to contain nest...

CVE-2026-55877 Symfony UX: XSS in symfony/ux-icons via unsanitized SVG content in local files and Iconify on-demand responses

Symfony UX is a JavaScript ecosystem for Symfony. From 2.17.0 before 2.36.1 and from 3.0.0 before 3.2.0, the uxicon Twig function is marked issafe='html' and Icon::toHtml inlines SVG source verbatim, allowing unsanitized local SVG files or Iconify on-demand JSON body responses containing nested...

CVE-2026-55878

Symfony UX is a JavaScript ecosystem for Symfony. From 2.32.0 before 2.36.1 and from 3.0.0 before 3.2.0, the ux:install console command installs files from a recipe kit by copying paths listed in a copy-files map, and because Path::isRelative accepts paths like ../../../etc, a crafted or...

symfony/ux-icons: XSS via unsanitized SVG content in local files and Iconify on-demand responses

Description The uxicon Twig function is marked issafe='html', so Twig never escapes its output. Icon::toHtml inlines the SVG source verbatim into the page. Browsers execute elements and on event-handler attributes found inside inline SVG, making any unsanitized icon a vector for cross-site...

Improper Verification of Cryptographic Signature

Overview symfony/ux-live-component is a Live components for Symfony Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via insufficient context binding in HMAC protection for Live Component properties. An attacker can modify read-only properties o...

symfony/ux-live-component Denial of service via unbounded batch action requests

Description Symfony\UX\LiveComponent\Controller\BatchActionController::invoke iterates over the client-supplied actions array and issues a full HttpKernel sub-request for each entry event subscribers, validators, Doctrine, rendering. The array size is never bounded, so an authenticated client can...

EUVD-2025-15795

Malicious code in bioql PyPI...

Cross-site Scripting (XSS)

symfony/ux-live-component and symfony/ux-twig-component is vulnerable to Cross-site Scripting XSS. The vulnerability is due to improper output escaping due to unescaped rendering of ComponentAttributes values, which may contain unsafe user input leading to HTML attribute injection...

CVE-2025-47946

Symfony UX is an initiative and set of libraries to integrate JavaScript tools into applications. Prior to version 2.25.1, rendering attributes or using any method that returns a ComponentAttributes instance e.g. only, defaults, without ouputs attribute values directly without escaping. If these...

GHSA-5J3W-5PCR-F8HG Symfony UX allows unsanitized HTML attribute injection via ComponentAttributes

Impact Rendering attributes or using any method that returns a ComponentAttributes instance e.g. only, defaults, without ouputs attribute values directly without escaping. If these values are unsafe e.g. contain user input, this can lead to HTML attribute injection and XSS vulnerabilities. Patche...

Symfony UX allows unsanitized HTML attribute injection via ComponentAttributes

Impact Rendering attributes or using any method that returns a ComponentAttributes instance e.g. only, defaults, without ouputs attribute values directly without escaping. If these values are unsafe e.g. contain user input, this can lead to HTML attribute injection and XSS vulnerabilities. Patche...

CVE-2025-47946

Symfony UX is an initiative and set of libraries to integrate JavaScript tools into applications. Prior to version 2.25.1, rendering attributes or using any method that returns a ComponentAttributes instance e.g. only, defaults, without ouputs attribute values directly without escaping. If these...

CVE-2025-47946 symfony/ux-live-component and symfony/ux-twig-component vulnerable to unsanitized HTML attribute injection via ComponentAttributes

Symfony UX is an initiative and set of libraries to integrate JavaScript tools into applications. Prior to version 2.25.1, rendering attributes or using any method that returns a ComponentAttributes instance e.g. only, defaults, without ouputs attribute values directly without escaping. If these...

CVE-2025-47946 symfony/ux-live-component and symfony/ux-twig-component vulnerable to unsanitized HTML attribute injection via ComponentAttributes

Symfony UX is an initiative and set of libraries to integrate JavaScript tools into applications. Prior to version 2.25.1, rendering attributes or using any method that returns a ComponentAttributes instance e.g. only, defaults, without ouputs attribute values directly without escaping. If these...

CVE-2025-47946 symfony/ux-live-component and symfony/ux-twig-component vulnerable to unsanitized HTML attribute injection via ComponentAttributes

Symfony UX is an initiative and set of libraries to integrate JavaScript tools into applications. Prior to version 2.25.1, rendering attributes or using any method that returns a ComponentAttributes instance e.g. only, defaults, without ouputs attribute values directly without escaping. If these...

CVE-2025-47946

Summary: CVE-2025-47946 affects Symfony UX components. Prior to 2.25.1, rendering {{ attributes }} or using methods returning a ComponentAttributes instance can output unescaped attribute values, risking HTML attribute injection and XSS. The vulnerability affects the Symfony UX Twig component and...

symfony/ux-twig-component Unsanitized HTML attribute injection via ComponentAttributes

More info at https://symfony.com/blog/symfony-ux-cve-2025-47946-unsanitized-html-attribute-injection-via-componentattributes...

CVE-2023-41336 Prevent injection of invalid entity ids for "autocomplete" fields in symfony ux-autocomplete

ux-autocomplete is a JavaScript Autocomplete functionality for Symfony. Under certain circumstances, an attacker could successfully submit an entity id for an EntityType that is not part of the valid choices. The problem has been fixed in symfony/ux-autocomplete version 2.11.2...