CVE-2026-27901 Svelte vulnerable to XSS during SSR with contenteditable `bind:innerText` and `bind:textContent`

Svelte performance oriented web framework. Prior to version 5.53.5, the contents of bind:innerText and bind:textContent on contenteditable elements were not properly escaped. This could enable HTML injection and Cross-Site Scripting XSS if rendering untrusted data as the binding's initial value o...

CVE-2026-27901

Svelte performance oriented web framework. Prior to version 5.53.5, the contents of bind:innerText and bind:textContent on contenteditable elements were not properly escaped. This could enable HTML injection and Cross-Site Scripting XSS if rendering untrusted data as the binding's initial value o...

CVE-2026-27901

CVE-2026-27901 affects Svelte (SSR) via contenteditable bindings: in versions prior to 5.53.5, bind:innerText and bind:textContent on contenteditable elements were not properly escaped, allowing HTML injection and XSS when untrusted data is rendered as the binding’s initial server-side value. The...

CVE-2026-27901 Svelte vulnerable to XSS during SSR with contenteditable `bind:innerText` and `bind:textContent`

Svelte performance oriented web framework. Prior to version 5.53.5, the contents of bind:innerText and bind:textContent on contenteditable elements were not properly escaped. This could enable HTML injection and Cross-Site Scripting XSS if rendering untrusted data as the binding's initial value o...

CVE-2026-27901 Svelte vulnerable to XSS during SSR with contenteditable `bind:innerText` and `bind:textContent`

Svelte performance oriented web framework. Prior to version 5.53.5, the contents of bind:innerText and bind:textContent on contenteditable elements were not properly escaped. This could enable HTML injection and Cross-Site Scripting XSS if rendering untrusted data as the binding's initial value o...

Svelte 跨站脚本漏洞

Svelte is an open-source approach to building web applications developed by Svelte. Versions of Svelte prior to 5.53.5 contained a cross-site scripting vulnerability. This vulnerability stemmed from improper escaping of the transformError error, which could lead to HTML injection and cross-site...

Svelte 跨站脚本漏洞

Svelte is an open-source approach to building web applications. Versions of Svelte prior to 5.53.5 contained a cross-site scripting vulnerability. This vulnerability stemmed from incorrect escaping of content within bind:innerText and bind:textContent, which could lead to HTML injection and...

PT-2026-22077

Svelte performance oriented web framework. Prior to version 5.53.5, errors from transformError were not correctly escaped prior to being embedded in the HTML output, causing potential HTML injection and XSS if attacker-controlled content is returned from transformError. Version 5.53.5 fixes the...

PT-2026-22076

Name of the Vulnerable Software and Affected Versions Svelte versions prior to 5.53.5 Description Svelte, a performance-oriented web framework, had an issue where the contents of bind:innerText and bind:textContent on contenteditable elements were not properly escaped in versions prior to 5.53.5...

CVE-2026-27121

svelte performance oriented web framework. Versions of svelte prior to 5.51.5 are vulnerable to cross-site scripting XSS during server-side rendering. When using spread syntax to render attributes from untrusted data, event handler properties are included in the rendered HTML output. If an...

CVE-2026-27125

svelte performance oriented web framework. Prior to 5.51.5, in server-side rendering, attribute spreading on elements e.g. enumerates inherited properties from the object's prototype chain rather than only own properties. In environments where Object.prototype has already been polluted — a...

CVE-2026-27119

svelte performance oriented web framework. From 5.39.3, element does not properly escape its content, potentially allowing HTML injection in the SSR output. Client-side rendering is not affected. This vulnerability is fixed in 5.51.5...

CVE-2026-27122

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...

CVE-2026-27125 Svelte SSR attribute spreading includes inherited properties from prototype chain

svelte performance oriented web framework. Prior to 5.51.5, in server-side rendering, attribute spreading on elements e.g. enumerates inherited properties from the object's prototype chain rather than only own properties. In environments where Object.prototype has already been polluted — a...

CVE-2026-27125 Svelte SSR attribute spreading includes inherited properties from prototype chain

svelte performance oriented web framework. Prior to 5.51.5, in server-side rendering, attribute spreading on elements e.g. enumerates inherited properties from the object's prototype chain rather than only own properties. In environments where Object.prototype has already been polluted — a...

CVE-2026-27125

Svelte SSR vulnerability CVE-2026-27125 affects the framework prior to version 5.51.5 where attribute spreading () enumerates inherited properties from the prototype chain, potentially leaking attributes or causing SSR failures when Object.prototype is polluted. Client-side rendering is unaffecte...

CVE-2026-27125

svelte performance oriented web framework. Prior to 5.51.5, in server-side rendering, attribute spreading on elements e.g. enumerates inherited properties from the object's prototype chain rather than only own properties. In environments where Object.prototype has already been polluted — a...

CVE-2026-27125 Svelte SSR attribute spreading includes inherited properties from prototype chain

svelte performance oriented web framework. Prior to 5.51.5, in server-side rendering, attribute spreading on elements e.g. enumerates inherited properties from the object's prototype chain rather than only own properties. In environments where Object.prototype has already been polluted — a...

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...

CVE-2026-27122

CVE-2026-27122 affects the Svelte performance-oriented web framework. In server-side rendering, using allows an unvalidated tag name to be emitted in HTML output, enabling HTML injection. Client-side rendering is not impacted. The vulnerability is addressed by upgrading to version 5.51.5. The av...