GHSA-38X5-RCV4-XF7X symfony/ux-live-component: XSS via attacker-controlled child component tag

Description Symfony\UX\LiveComponent\Util\ChildComponentPartialRenderer::createHtml interpolates the $childTag argument directly into the HTML output as a tag name, without escaping or validation. The value originates from client-controlled JSON childrenid.tag parsed by LiveComponentSubscriber an...

symfony/ux-live-component: XSS via attacker-controlled child component tag

Description Symfony\UX\LiveComponent\Util\ChildComponentPartialRenderer::createHtml interpolates the $childTag argument directly into the HTML output as a tag name, without escaping or validation. The value originates from client-controlled JSON childrenid.tag parsed by LiveComponentSubscriber an...

CVE-2026-44455 Hono: Unvalidated JSX Tag Names in hono/jsx May Allow HTML Injection

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.16, Improper handling of JSX element tag names in hono/jsx allowed unvalidated tag names to be directly inserted into the generated HTML output. When untrusted input is used as a tag name via the...

CVE-2026-27122 Svelte SSR does not validate dynamic element tag names in `<svelte:element>`

svelte performance oriented web framework. Prior to 5.51.5, when using in server-side rendering, the provided tag name is not validated or sanitized before being emitted into the HTML output. If the tag string contains unexpected characters, it can result in HTML injection in the SSR output...

PT-2026-20873

When using in server-side rendering, the provided tag name is not validated or sanitized before being emitted into the HTML output. If the tag string contains unexpected characters, it can result in HTML injection in the SSR output. Client-side rendering is not affected...

CVE-2025-13141

The HT Mega – Absolute Addons For Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Gutenberg blocks in all versions up to, and including, 3.0.0 due to insufficient input validation on user-supplied HTML tag names. This is due to the lack of a tag name...

MISP 跨站脚本漏洞

MISP is an open source software solution. The product is used to collect, store, distribute, and share network security metrics and has features such as threat network security event analysis and malware analysis. cross-site scripting vulnerability exists in versions prior to MISP 2.4.158, which...