Cross-site Scripting (XSS)

Overview svelte is a package for building web applications. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the spread syntax when rendering attributes from untrusted data during server-side rendering. An attacker can execute arbitrary JavaScript in the context of...

Cross-site Scripting (XSS)

Overview org.webjars.npm:svelte is a package for building web applications. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the spread syntax when rendering attributes from untrusted data during server-side rendering. An attacker can execute arbitrary JavaScript i...

GHSA-H7H7-MM68-GMRC Svelte affected by XSS in SSR `<option>` element

In certain circumstances, the server-side rendering output of an element does not properly escape its content, potentially allowing HTML injection in the SSR output. Client-side rendering is not affected...

Cross-site Scripting (XSS)

Overview svelte is a package for building web applications. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the server-side rendering process of the element, which does not properly escape its content. An attacker can inject arbitrary HTML into the SSR output by...

PT-2026-21305

Name of the Vulnerable Software and Affected Versions Svelte versions 5.39.3 through 5.51.4 Description Svelte is susceptible to a flaw where, under specific conditions, the server-side rendering of an element fails to properly escape its content. This can lead to potential HTML injection within...

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...

PT-2026-21306

Name of the Vulnerable Software and Affected Versions Svelte versions prior to 5.51.5 Description Svelte is susceptible to cross-site scripting XSS during server-side rendering. Utilizing spread syntax with untrusted data can lead to the inclusion of event handler properties in the generated HTML...

PT-2026-20881

Name of the Vulnerable Software and Affected Versions Svelte versions prior to 5.51.5 Description A flaw exists in Svelte where, during server-side rendering, the tag name provided to the component is not validated or sanitized before being included in the HTML output. This can lead to HTML...

GHSA-G4XW-JXRG-5F6M next-mdx-remote affected by arbitrary code execution in React server-side rendering of untrusted MDX content

The serialize function used to compile MDX in next-mdx-remote is vulnerable to arbitrary code execution due to insufficient sanitization of MDX content...

Arbitrary Code Injection

Overview next-mdx-remote is an utilities for loading mdx from any remote source as data, rather than as a local import Affected versions of this package are vulnerable to Arbitrary Code Injection via the serialize function. An attacker can execute arbitrary code by submitting specially crafted MD...

CVE-2026-0969

The CVE-2026-0969 issue stems from the serialize function used to compile MDX in next-mdx-remote, with insufficient sanitization enabling arbitrary code execution in React server-side rendering of untrusted MDX content. The description provides a CVSSv3.1 base score of 8.8 (HIGH) and a network at...

CVE-2026-0969 Arbitrary code execution in React server-side rendering of untrusted MDX content

The serialize function used to compile MDX in next-mdx-remote is vulnerable to arbitrary code execution due to insufficient sanitization of MDX content. This vulnerability, CVE-2026-0969, is fixed in next-mdx-remote 6.0.0...

CVE-2026-0969 Arbitrary code execution in React server-side rendering of untrusted MDX content

The serialize function used to compile MDX in next-mdx-remote is vulnerable to arbitrary code execution due to insufficient sanitization of MDX content. This vulnerability, CVE-2026-0969, is fixed in next-mdx-remote 6.0.0...

CVE-2026-25148

Qwik is a performance focused javascript framework. Prior to version 1.19.0, a Cross-Site Scripting vulnerability in Qwik.js' server-side rendering virtual attribute serialization allows a remote attacker to inject arbitrary web scripts into server-rendered pages via virtual attributes. Successfu...

CVE-2026-25148

Qwik is a performance focused javascript framework. Prior to version 1.19.0, a Cross-Site Scripting vulnerability in Qwik.js' server-side rendering virtual attribute serialization allows a remote attacker to inject arbitrary web scripts into server-rendered pages via virtual attributes. Successfu...

Cross-site Scripting (XSS)

Overview @builder.io/qwik is an An Open-Source sub-framework designed with a focus on server-side-rendering, lazy-loading, and styling/animation. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the unsafe virtual node serialization. An attacker can execute arbitra...

CVE-2026-25148

Qwik is a performance focused javascript framework. Prior to version 1.19.0, a Cross-Site Scripting vulnerability in Qwik.js' server-side rendering virtual attribute serialization allows a remote attacker to inject arbitrary web scripts into server-rendered pages via virtual attributes. Successfu...

CVE-2026-25148

Summary (CVE-2026-25148) Qwik SSR vulnerability: prior to version 1.19.0, the server-side rendering path serializes virtual attributes in a way that can be exploited via XSS. An attacker could inject arbitrary scripts into server-rendered pages through unescaped virtual attributes, enabling scrip...

EUVD-2026-5166

Qwik is a performance focused javascript framework. Prior to version 1.19.0, a Cross-Site Scripting vulnerability in Qwik.js' server-side rendering virtual attribute serialization allows a remote attacker to inject arbitrary web scripts into server-rendered pages via virtual attributes. Successfu...

CVE-2026-25148 Qwik SSR XSS via Unsafe Virtual Node Serialization

Qwik is a performance focused javascript framework. Prior to version 1.19.0, a Cross-Site Scripting vulnerability in Qwik.js' server-side rendering virtual attribute serialization allows a remote attacker to inject arbitrary web scripts into server-rendered pages via virtual attributes. Successfu...