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CWE-1321

536 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.

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CVEs (536)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Nodee Utils Project
1Nodee Utils
Jun 17, 2026
Sep 1, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
All versions of package nodee-utils are vulnerable to Prototype Pollution via the deepSet function.
1Node Oojs Project
1Node Oojs
Jun 17, 2026
Sep 1, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
All versions of package node-oojs are vulnerable to Prototype Pollution via the setPath function.
1Digitalbazaar
1Forge
Jun 17, 2026
Sep 1, 2020
N/A· v4
7.3 HIGH· v3
7.5 HIGH· v2
The package node-forge before 0.10.0 is vulnerable to Prototype Pollution via the util.setPath function. Note: Version 0.10.0 is a breaking change removing the vulnerable functions.
1Locutus
1Locutus
Jun 17, 2026
Sep 1, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
Versions of package locutus before 2.0.12 are vulnerable to prototype Pollution via the php.strings.parse_str function.
1Gammautils Project
1Gammautils
Jun 17, 2026
Sep 1, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
All versions of package gammautils are vulnerable to Prototype Pollution via the deepSet and deepMerge functions.
1Dot Notes Project
1Dot Notes
Jun 17, 2026
Sep 1, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
All versions of package dot-notes are vulnerable to Prototype Pollution via the create function.
1Invertase
1Deeps
Jun 17, 2026
Sep 1, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
All versions of package deeps are vulnerable to Prototype Pollution via the set function.
1Deep Get Set Project
1Deep Get Set
Jun 17, 2026
Sep 1, 2020
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 main function.
1Realseriousgames
1Confucious
Jun 17, 2026
Sep 1, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
All versions of package confucious are vulnerable to Prototype Pollution via the set function.
1Arr Flatten Unflatten Project
1Arr Flatten Unflatten
Jun 17, 2026
Sep 1, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
All versions of package arr-flatten-unflatten are vulnerable to Prototype Pollution via the constructor.
1Irrelon
2@irrelon/path
Irrelon Path
Jun 17, 2026
Aug 18, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
The package irrelon-path before 4.7.0; the package @irrelon/path before 4.7.0 are vulnerable to Prototype Pollution via the set, unSet, pushVal and pullVal functions.
1Property Expr Project
1Property Expr
Jun 17, 2026
Aug 18, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
The package property-expr before 2.0.3 are vulnerable to Prototype Pollution via the setter function.
1Connie Lang Project
1Connie Lang
Jun 17, 2026
Aug 18, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
The package connie-lang before 0.1.1 are vulnerable to Prototype Pollution in the configuration language library used by connie.
1Linux Cmdline Project
1Linux Cmdline
Jun 17, 2026
Aug 17, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
The package linux-cmdline before 1.0.1 are vulnerable to Prototype Pollution via the constructor.
1Nis Utils Project
1Nis Utils
Jun 17, 2026
Aug 17, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
All versions of package nis-utils are vulnerable to Prototype Pollution via the setValue function.
1Templ8 Project
1Templ8
Jun 17, 2026
Aug 17, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
All versions of package templ8 are vulnerable to Prototype Pollution via the parse function.
1Springtree
1Madlib Object Utils
Jun 17, 2026
Aug 14, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
madlib-object-utils before 0.1.7 is vulnerable to Prototype Pollution via setValue.
1Php.js Project
1Php.js
Jun 17, 2026
Aug 14, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
All versions of phpjs are vulnerable to Prototype Pollution via parse_str.
2Express Fileupload Project
Netapp
2Express Fileupload
Max Data
Jun 17, 2026
Jul 30, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
This affects the package express-fileupload before 1.1.8. If the parseNested option is enabled, sending a corrupt HTTP request can lead to denial of service or arbitrary code execution.
1Ajv.js
1Ajv
Jun 17, 2026
Jul 15, 2020
N/A· v4
5.6 MEDIUM· v3
6.8 MEDIUM· v2
An issue was discovered in ajv.validate() in Ajv (aka Another JSON Schema Validator) 6.12.2. A carefully crafted JSON schema could be provided that allows execution of other code by prototype pollution. (While untrusted...Show more
An issue was discovered in ajv.validate() in Ajv (aka Another JSON Schema Validator) 6.12.2. A carefully crafted JSON schema could be provided that allows execution of other code by prototype pollution. (While untrusted schemas are recommended against, the worst case of an untrusted schema should be a denial of service, not execution of code.)Show less