CWE-1321
624 CVEs • Abstraction: Variant
Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.
CVEs (624)
CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS |
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1Set Deep Prop Project 1Set Deep Prop Jun 17, 2026 Jul 25, 2022 N/A· v4 9.8 CRITICAL· v3 N/A· v2 All versions of package set-deep-prop are vulnerable to Prototype Pollution via the main functionality. |
1Properties Reader Project 1Properties Reader Jun 17, 2026 Jul 25, 2022 N/A· v4 9.8 CRITICAL· v3 N/A· v2 This affects the package properties-reader before 2.2.0. |
This affects all versions of package ion-parser. If an attacker submits a malicious INI file to an application that parses it with parse , they will pollute the prototype on the application. This can be exploited further...Show more |
This affects the package js-ini before 1.3.0. If an attacker submits a malicious INI file to an application that parses it with parse , they will pollute the prototype on the application. This can be exploited further de...Show more |
1Conf Cfg Ini Project 1Conf Cfg Ini Jun 17, 2026 Jul 25, 2022 N/A· v4 9.8 CRITICAL· v3 N/A· v2 This affects the package conf-cfg-ini before 1.2.2. If an attacker submits a malicious INI file to an application that parses it with decode, they will pollute the prototype on the application. This can be exploited furt...Show more |
1Grunt Util Property Project 1Grunt Util Property Jun 17, 2026 Jul 17, 2022 N/A· v4 7.8 HIGH· v3 N/A· v2 This affects all versions of package grunt-util-property. The function call could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload. |
1Deep.assign Project 1Deep.assign Jun 17, 2026 Jun 30, 2022 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 deep.assign npm package 0.0.0-alpha.0 is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution'). |
Underscore.deep is a collection of Underscore mixins that operate on nested objects. Versions of `underscore.deep` prior to version 0.5.3 are vulnerable to a prototype pollution vulnerability. An attacker can craft a mal...Show more |
1Deep Get Set Project 1Deep Get Set Jun 17, 2026 Jun 24, 2022 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 All versions of package deep-get-set are vulnerable to Prototype Pollution via the 'deep' function. **Note:** This vulnerability derives from an incomplete fix of [CVE-2020-7715](https://security.snyk.io/vuln/SNYK-JS-DEE...Show more |
All versions of package querymen are vulnerable to Prototype Pollution if the parameters of exported function handler(type, name, fn) can be controlled by users without any sanitization. Note: This vulnerability derives...Show more |
This affects all versions of package mout. The deepFillIn function can be used to 'fill missing properties recursively', while the deepMixIn mixes objects into the target object, recursively mixing existing child objects...Show more |
1Protobufjs Project 1Protobufjs Jun 17, 2026 May 27, 2022 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 The package protobufjs before 6.11.3 are vulnerable to Prototype Pollution which can allow an attacker to add/modify properties of the Object.prototype. This vulnerability can occur in multiple ways: 1. by providing untr...Show more |
This affects the package sds from 0.0.0. The library could be tricked into adding or modifying properties of the Object.prototype by abusing the set function located in js/set.js. **Note:** This vulnerability derives fro...Show more |
This affects the package convict before 6.2.3. This is a bypass of [CVE-2022-22143](https://security.snyk.io/vuln/SNYK-JS-CONVICT-2340604). The [fix](https://github.com/mozilla/node-convict/commit/3b86be087d8f14681a9c889...Show more |
Prototype poisoning in function mapObjIndexed in Ramda 0.27.0 and earlier allows attackers to compromise integrity or availability of application via supplying a crafted object (that contains an own property "__proto__")...Show more |
All versions of package bignum are vulnerable to Denial of Service (DoS) due to a type-check exception in V8, when verifying the type of the second argument to the .powm function, V8 will crash regardless of Node try/cat...Show more |
1Jsgui Lang Essentials Project 1Jsgui Lang Essentials Jun 17, 2026 May 1, 2022 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 All versions of package jsgui-lang-essentials are vulnerable to Prototype Pollution due to allowing all Object attributes to be altered, including their magical attributes such as proto, constructor and prototype. |
All versions of package dset are vulnerable to Prototype Pollution via 'dset/merge' mode, as the dset function checks for prototype pollution by validating if the top-level path contains __proto__, constructor or protory...Show more |
The package convict before 6.2.2 are vulnerable to Prototype Pollution via the convict function due to missing validation of parentKey. **Note:** This vulnerability derives from an incomplete fix of another [vulnerabilit...Show more |
The package dexie before 3.2.2, from 4.0.0-alpha.1 and before 4.0.0-alpha.3 are vulnerable to Prototype Pollution in the Dexie.setByKeyPath(obj, keyPath, value) function which does not properly check the keys being set (...Show more |