WS-2020-0342 | Mend Vulnerability Database

Vulnerability DatabaseWS-2020-0342

WS-2020-0342

Published:May 14, 2026

Updated:May 14, 2026

Regular Expression Denial of Service (ReDoS) vulnerability was found in is-my-json-valid before 2.20.2 via the style format.

Affected Packages

nodejs (CONDA):

Affected version(s) >=4.2.6 <8.8.1

Fix Suggestion:

Update to version 8.8.1

jquery (CONDA):

Affected version(s) =3.3.0 <3.4.0

Fix Suggestion:

Update to version 3.4.0

svg2png (CONDA):

Affected version(s) =4.1.1

Fix Suggestion:

Update to version no_fix

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 <2.20.2

Fix Suggestion:

Update to version 2.20.2

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

pwptemplatepusintek (NUGET):

Affected version(s) =0.0.1

Fix Suggestion:

Update to version no_fix

betclic.buildtools.node (NUGET):

Affected version(s) >=1.0.2 <=1.0.6

Fix Suggestion:

Update to version no_fix

node-sass-bundle (NUGET):

Affected version(s) >=1.0.3 <=1.1.0

Fix Suggestion:

Update to version no_fix

nodebin (NUGET):

Affected version(s) =5.2.0

Fix Suggestion:

Update to version no_fix

npm.js (NUGET):

Affected version(s) =2.13.1

Fix Suggestion:

Update to version no_fix

ncapsulate.node.shadow (NUGET):

Affected version(s) =5.3.0

Fix Suggestion:

Update to version no_fix

zombie.js (NUGET):

Affected version(s) >=4.2.1 <=5.0.5

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

tools.npm (NUGET):

Affected version(s) =4.0.3-beta1

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

npm3 (NUGET):

Affected version(s) =3.0.0-alpha0001

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

trezebits/trezevel-gallery (PHP):

Affected version(s) =dev-master

Fix Suggestion:

Update to version no_fix

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) >=0.1.0 <0.3.36

Fix Suggestion:

Update to version 0.3.36

erdiko/user-admin (PHP):

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

Fix Suggestion:

Update to version no_fix

oxid-esales/wave-theme (PHP):

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

Fix Suggestion:

Update to version dev-oxscript-google-analytics

limefamily/yii2-limetheme (PHP):

Affected version(s) >=1.0.0 <1.0.12

Fix Suggestion:

Update to version 1.0.12

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

mpcmf/mpcmf-web-app (PHP):

Affected version(s) =dev-php7

Fix Suggestion:

Update to version no_fix

humanmade/coding-standards (PHP):

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

Fix Suggestion:

Update to version v0.4.1

z3/t3build-node (PHP):

Affected version(s) =dev-master <1.0.11

Fix Suggestion:

Update to version 1.0.11

oburatongoi/productivity (PHP):

Affected version(s) >=0.0.9 <0.0.13

Fix Suggestion:

Update to version 0.0.13

computerundsound/curserver (PHP):

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

Fix Suggestion:

Update to version no_fix

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-develop <dev-ER-91

Fix Suggestion:

Update to version dev-ER-91

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

Affected version(s) >=1.0.0 <1.1.0

Fix Suggestion:

Update to version 1.1.0

chrisbraybrooke/laravel-ecommerce (PHP):

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

Fix Suggestion:

Update to version dev-form-field-key

seidemann-web/wave-theme (PHP):

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

Fix Suggestion:

Update to version dev-omage-theme

spiral/toolkit (PHP):

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

Fix Suggestion:

Update to version v0.9.0

seidemann-web/wave-theme (PHP):

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

Fix Suggestion:

Update to version dev-fixUpLanguageConstants

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) =dev-master <2.2.0

Fix Suggestion:

Update to version 2.2.0

spiral/toolkit (PHP):

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

Fix Suggestion:

Update to version v0.8.18

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) >=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

spiral/toolkit (PHP):

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

Fix Suggestion:

Update to version v0.8.20

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

chrisbraybrooke/laravel-ecommerce (PHP):

Affected version(s) =0.0.4 <0.0.11

Fix Suggestion:

Update to version 0.0.11

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/c3fc04fc455d40e9b29537f8e2c73a28ce106edb

Do you need more information?

CVSS v4

Base Score:

8.7

Attack Vector

NETWORK

Attack Complexity

LOW

Attack Requirements

NONE

Privileges Required

NONE

User Interaction

NONE

Vulnerable System Confidentiality

NONE

Vulnerable System Integrity

NONE

Vulnerable System Availability

HIGH

Subsequent System Confidentiality

NONE

Subsequent System Integrity

NONE

Subsequent System Availability

NONE

CVSS v3

Base Score:

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH