WS-2020-0344 | Mend Vulnerability Database

Vulnerability DatabaseWS-2020-0344

WS-2020-0344

Published:May 14, 2026

Updated:May 14, 2026

Arbitrary Code Execution vulnerability was found in is-my-json-valid before 2.20.3 via the fromatName function.

Affected Packages

nodejs (CONDA):

Affected version(s) >=4.2.6 <8.8.1

Fix Suggestion:

Update to version 8.8.1

svg2png (CONDA):

Affected version(s) =4.1.1

Fix Suggestion:

Update to version no_fix

jquery (CONDA):

Affected version(s) =3.3.0 <3.4.0

Fix Suggestion:

Update to version 3.4.0

jsdom (CONDA):

Affected version(s) =11.0.0 <11.11.0

Fix Suggestion:

Update to version 11.11.0

azure-cli (CONDA):

Affected version(s) =0.10.3

Fix Suggestion:

Update to version no_fix

is-my-json-valid (NPM):

Affected version(s) >=1.4.2 <2.20.3

Fix Suggestion:

Update to version 2.20.3

betclic.buildtools.node (NUGET):

Affected version(s) >=1.0.2 <=1.0.6

Fix Suggestion:

Update to version no_fix

pwptemplatepusintek (NUGET):

Affected version(s) =0.0.1

Fix Suggestion:

Update to version no_fix

nodebin (NUGET):

Affected version(s) =5.2.0

Fix Suggestion:

Update to version no_fix

tools.npm (NUGET):

Affected version(s) =4.0.3-beta1

Fix Suggestion:

Update to version no_fix

npm3 (NUGET):

Affected version(s) =3.0.0-alpha0001

Fix Suggestion:

Update to version no_fix

yarnpkg.yarn (NUGET):

Affected version(s) >=0.17.4 <0.26.1

Fix Suggestion:

Update to version 0.26.1

node-sass-bundle (NUGET):

Affected version(s) >=1.0.3 <=1.1.0

Fix Suggestion:

Update to version no_fix

yarn.msbuild (NUGET):

Affected version(s) =0.21.3 <0.22.0

Fix Suggestion:

Update to version 0.22.0

npm (NUGET):

Affected version(s) >=2.14.14 <=3.5.2

Fix Suggestion:

Update to version no_fix

raml.parser (NUGET):

Affected version(s) >=1.0.0 <1.0.7

Fix Suggestion:

Update to version 1.0.7

ncapsulate.node.shadow (NUGET):

Affected version(s) =5.3.0

Fix Suggestion:

Update to version no_fix

tinfoil (NUGET):

Affected version(s) >=1.0.16.5 <=1.1.0

Fix Suggestion:

Update to version no_fix

node-sass-bundle (NUGET):

Affected version(s) >=1.0.0 <1.0.2

Fix Suggestion:

Update to version 1.0.2

midiator.webclient (NUGET):

Affected version(s) >=1.0.98 <1.0.105

Fix Suggestion:

Update to version 1.0.105

zombie.js (NUGET):

Affected version(s) >=4.2.1 <=5.0.5

Fix Suggestion:

Update to version no_fix

npm.js (NUGET):

Affected version(s) =2.13.1

Fix Suggestion:

Update to version no_fix

chrisbraybrooke/laravel-ecommerce (PHP):

Affected version(s) >=0.0.18 <0.0.56

Fix Suggestion:

Update to version 0.0.56

ilhanet/erpnet-widget-resource (PHP):

Affected version(s) =dev-master

Fix Suggestion:

Update to version no_fix

seidemann-web/wave-theme (PHP):

Affected version(s) >=dev-WT-27/sticky-header <dev-WT-36/Sticky-Header-Fixes

Fix Suggestion:

Update to version dev-WT-36/Sticky-Header-Fixes

limefamily/yii2-limetheme (PHP):

Affected version(s) >=1.0.0 <1.0.12

Fix Suggestion:

Update to version 1.0.12

humanmade/coding-standards (PHP):

Affected version(s) >=0.1.0 <dev-dependabot/npm_and_yarn/json-schema-0.4.0

Fix Suggestion:

Update to version dev-dependabot/npm_and_yarn/json-schema-0.4.0

erdiko/user-admin (PHP):

Affected version(s) >=dev-develop <dev-ER-91

Fix Suggestion:

Update to version dev-ER-91

z3/t3build-node (PHP):

Affected version(s) =dev-master <1.0.11

Fix Suggestion:

Update to version 1.0.11

oxid-esales/wave-theme (PHP):

Affected version(s) =dev-motorrad <dev-oxscript-google-analytics

Fix Suggestion:

Update to version dev-oxscript-google-analytics

chrisbraybrooke/laravel-ecommerce (PHP):

Affected version(s) =0.0.4 <0.0.11

Fix Suggestion:

Update to version 0.0.11

seidemann-web/wave-theme (PHP):

Affected version(s) =dev-feature/WT-21

Fix Suggestion:

Update to version no_fix

chrisbraybrooke/laravel-ecommerce (PHP):

Affected version(s) =dev-dev <dev-form-field-key

Fix Suggestion:

Update to version dev-form-field-key

spiral/toolkit (PHP):

Affected version(s) >=v0.8.24 <v0.9.0

Fix Suggestion:

Update to version v0.9.0

spiral/toolkit (PHP):

Affected version(s) >=v0.8.14 <v0.8.18

Fix Suggestion:

Update to version v0.8.18

mpcmf/mpcmf-web-app (PHP):

Affected version(s) =dev-php7

Fix Suggestion:

Update to version no_fix

trezebits/trezevel-gallery (PHP):

Affected version(s) =dev-master

Fix Suggestion:

Update to version no_fix

dreamfactory/df-api-docs-ui (PHP):

Affected version(s) >=1.0.0 <1.1.0

Fix Suggestion:

Update to version 1.1.0

seidemann-web/wave-theme (PHP):

Affected version(s) =dev-bugfix/variants-fix <dev-fixUpLanguageConstants

Fix Suggestion:

Update to version dev-fixUpLanguageConstants

mpcmf/mpcmf-web-app (PHP):

Affected version(s) =dev-master <1.0.0.x-dev

Fix Suggestion:

Update to version 1.0.0.x-dev

oburatongoi/productivity (PHP):

Affected version(s) >=0.0.9 <0.0.13

Fix Suggestion:

Update to version 0.0.13

yuan1994/wechat_web_devtools (PHP):

Affected version(s) >=dev-core <0.15.152901-core

Fix Suggestion:

Update to version 0.15.152901-core

computerundsound/curserver (PHP):

Affected version(s) >=3.2.0.x-dev <=4.0.1

Fix Suggestion:

Update to version no_fix

computerundsound/curserver (PHP):

Affected version(s) =dev-master <2.2.0

Fix Suggestion:

Update to version 2.2.0

kayrules/solatjakim-api-site (PHP):

Affected version(s) =dev-master <dev-version-1.0

Fix Suggestion:

Update to version dev-version-1.0

erdiko/user-admin (PHP):

Affected version(s) >=dev-ER-98 <=dev-snyk-upgrade-d46907cffecf6b4533a36c96e63674e7

Fix Suggestion:

Update to version no_fix

spiral/toolkit (PHP):

Affected version(s) =v0.8.19 <v0.8.20

Fix Suggestion:

Update to version v0.8.20

oburatongoi/productivity (PHP):

Affected version(s) >=0.1.0 <0.3.36

Fix Suggestion:

Update to version 0.3.36

seidemann-web/wave-theme (PHP):

Affected version(s) =dev-motorrad <dev-omage-theme

Fix Suggestion:

Update to version dev-omage-theme

humanmade/coding-standards (PHP):

Affected version(s) =v0.4.0 <v0.4.1

Fix Suggestion:

Update to version v0.4.1

neon-sys (RUST):

Affected version(s) =0.1.10 <0.1.11

Fix Suggestion:

Update to version 0.1.11

Related Resources (1)

https://github.com/mafintosh/is-my-json-valid/commit/3419563687df463b4ca709a2b46be8e15d6a2b3d

Do you need more information?

CVSS v4

Base Score:

9.3

Attack Vector

NETWORK

Attack Complexity

LOW

Attack Requirements

NONE

Privileges Required

NONE

User Interaction

NONE

Vulnerable System Confidentiality

HIGH

Vulnerable System Integrity

HIGH

Vulnerable System Availability

HIGH

Subsequent System Confidentiality

NONE

Subsequent System Integrity

NONE

Subsequent System Availability

NONE

CVSS v3

Base Score:

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH