PYSEC-2026-628 XSS in jQuery as used in Drupal, Backdrop CMS, and other products

jQuery from 1.1.4 until 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles jQuery.extendtrue, , ... because of Object.prototype pollution. If an unsanitized source object contained an enumerable proto property, it could extend the native Object.prototype...

jQuery before 3.4.0 as used in Drupal Backdrop CMS and other products mishandles jQuery.extend(true {} ...) because of Object.prototype pollution. If an unsanitized source object contained an enumerable __proto__ property it could extend the native Object.prototype.

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jquery: Prototype pollution in object's prototype leading to denial of service, remote code execution, or property injection

A Prototype Pollution vulnerability was found in jquery. Untrusted JSON passed to the extend function could lead to modifying objects up the prototype chain, including the global Object. A crafted JSON object passed to a vulnerable method could lead to denial of service or data injection, with...

jquery: Prototype pollution in object's prototype leading to denial of service, remote code execution, or property injection

A Prototype Pollution vulnerability was found in jquery. Untrusted JSON passed to the extend function could lead to modifying objects up the prototype chain, including the global Object. A crafted JSON object passed to a vulnerable method could lead to denial of service or data injection, with...

jquery: Prototype pollution in object's prototype leading to denial of service, remote code execution, or property injection

A Prototype Pollution vulnerability was found in jquery. Untrusted JSON passed to the extend function could lead to modifying objects up the prototype chain, including the global Object. A crafted JSON object passed to a vulnerable method could lead to denial of service or data injection, with...

jquery: Prototype pollution in object's prototype leading to denial of service, remote code execution, or property injection

A Prototype Pollution vulnerability was found in jquery. Untrusted JSON passed to the extend function could lead to modifying objects up the prototype chain, including the global Object. A crafted JSON object passed to a vulnerable method could lead to denial of service or data injection, with...

jquery: Prototype pollution in object's prototype leading to denial of service, remote code execution, or property injection

A Prototype Pollution vulnerability was found in jquery. Untrusted JSON passed to the extend function could lead to modifying objects up the prototype chain, including the global Object. A crafted JSON object passed to a vulnerable method could lead to denial of service or data injection, with...

The vulnerability of the jQuery.extend function (true, {}, …) in the jQuery library allows a attacker to compromise the confidentiality and integrity of the protected information.

The vulnerability of the jQuery.extend function exists because measures to protect the structure of web pages are not taken. Exploiting this vulnerability can allow a malicious actor to compromise the confidentiality and integrity of the protected information...

jquery: Prototype pollution in object's prototype leading to denial of service, remote code execution, or property injection

A Prototype Pollution vulnerability was found in jquery. Untrusted JSON passed to the extend function could lead to modifying objects up the prototype chain, including the global Object. A crafted JSON object passed to a vulnerable method could lead to denial of service or data injection, with...

jquery: Prototype pollution in object's prototype leading to denial of service, remote code execution, or property injection

A Prototype Pollution vulnerability was found in jquery. Untrusted JSON passed to the extend function could lead to modifying objects up the prototype chain, including the global Object. A crafted JSON object passed to a vulnerable method could lead to denial of service or data injection, with...

GHSA-6C3J-C64M-QHGQ XSS in jQuery as used in Drupal, Backdrop CMS, and other products

jQuery from 1.1.4 until 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles jQuery.extendtrue, , ... because of Object.prototype pollution. If an unsanitized source object contained an enumerable proto property, it could extend the native Object.prototype...

DRUPAL-CORE-2019-006

The jQuery project released version 3.4.0, and as part of that, disclosed a security vulnerability that affects all prior versions. As described in their release notes: jQuery 3.4.0 includes a fix for some unintended behavior when using jQuery.extendtrue, , .... If an unsanitized source object...