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...

EUVD-2026-5165

Qwik is a performance focused javascript framework. Prior to version 1.19.0, a prototype pollution vulnerability exists in the formToObj function within @builder.io/qwik-city middleware. The function processes form field names with dot notation e.g., user.name to create nested objects, but fails ...

CVE-2026-25150 Prototype Pollution via FormData Processing in Qwik City

Qwik is a performance focused javascript framework. Prior to version 1.19.0, a prototype pollution vulnerability exists in the formToObj function within @builder.io/qwik-city middleware. The function processes form field names with dot notation e.g., user.name to create nested objects, but fails ...

CVE-2026-25150

Qwik is a performance focused javascript framework. Prior to version 1.19.0, a prototype pollution vulnerability exists in the formToObj function within @builder.io/qwik-city middleware. The function processes form field names with dot notation e.g., user.name to create nested objects, but fails ...

CVE-2026-25150 Prototype Pollution via FormData Processing in Qwik City

Qwik is a performance focused javascript framework. Prior to version 1.19.0, a prototype pollution vulnerability exists in the formToObj function within @builder.io/qwik-city middleware. The function processes form field names with dot notation e.g., user.name to create nested objects, but fails ...

CVE-2026-25150

CVE-2026-25150 affects @builder.io/qwik-city middleware in Qwik. The formToObj() function improperly handles field names with dot notation (e.g., user.name), failing to sanitize dangerous property names such as proto , constructor, and prototype. This prototype pollution allows unauthenticated at...

CVE-2026-25150 Prototype Pollution via FormData Processing in Qwik City

Qwik is a performance focused javascript framework. Prior to version 1.19.0, a prototype pollution vulnerability exists in the formToObj function within @builder.io/qwik-city middleware. The function processes form field names with dot notation e.g., user.name to create nested objects, but fails ...

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...

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...

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...

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...

CVE-2026-25151

Qwik is a performance focused javascript framework. Prior to version 1.19.0, Qwik City’s server-side request handler inconsistently interprets HTTP request headers, which can be abused by a remote attacker to circumvent form submission CSRF protections using specially crafted or multi-valued...

CVE-2026-25151 Qwik City has a CSRF Protection Bypass via Content-Type Header Validation

Qwik is a performance focused javascript framework. Prior to version 1.19.0, Qwik City’s server-side request handler inconsistently interprets HTTP request headers, which can be abused by a remote attacker to circumvent form submission CSRF protections using specially crafted or multi-valued...

CVE-2026-25151

CVE-2026-25151 affects Qwik City (server-side) prior to version 1.19.0, where the server-side request handler inconsistently interprets HTTP headers, enabling a CSRF protection bypass via specially crafted or multi-valued Content-Type headers. The vulnerability can let remote attackers bypass ori...

EUVD-2026-5167

Qwik is a performance focused javascript framework. Prior to version 1.19.0, Qwik City’s server-side request handler inconsistently interprets HTTP request headers, which can be abused by a remote attacker to circumvent form submission CSRF protections using specially crafted or multi-valued...

CVE-2026-25151 Qwik City has a CSRF Protection Bypass via Content-Type Header Validation

Qwik is a performance focused javascript framework. Prior to version 1.19.0, Qwik City’s server-side request handler inconsistently interprets HTTP request headers, which can be abused by a remote attacker to circumvent form submission CSRF protections using specially crafted or multi-valued...

CVE-2026-25151 Qwik City has a CSRF Protection Bypass via Content-Type Header Validation

Qwik is a performance focused javascript framework. Prior to version 1.19.0, Qwik City’s server-side request handler inconsistently interprets HTTP request headers, which can be abused by a remote attacker to circumvent form submission CSRF protections using specially crafted or multi-valued...

CVE-2026-25155 [qwik-city] CSRF protection middleware does not work properly for content type header with parameters (eg. multipart/form-data)

Qwik is a performance focused javascript framework. Prior to version 1.12.0, a typo in the regular expression within isContentType causes incorrect parsing of certain Content-Type headers. This issue has been patched in version 1.12.0...