WS-2020-0443 | Mend Vulnerability Database

Vulnerability DatabaseWS-2020-0443

WS-2020-0443

Published:May 20, 2026

Updated:May 20, 2026

In socket.io in versions 1.0.0 to 2.3.0 is vulnerable to Cross-Site Websocket Hijacking, it allows an attacker to bypass origin protection using special symbols include "`" and "$".

Affected Packages

socket.io (CDN_JS):

Affected version(s) >=1.0.0-pre <2.4.0

Fix Suggestion:

Update to version 2.4.0

jsdom (CONDA):

Affected version(s) =11.0.0 <11.11.0

Fix Suggestion:

Update to version 11.11.0

dgenies (CONDA):

Affected version(s) >=1.2.0.1 <=1.5.0

Fix Suggestion:

Update to version no_fix

quarto (CONDA):

Affected version(s) =1.1.145 <1.2.335

Fix Suggestion:

Update to version 1.2.335

socket.io (NPM):

Affected version(s) >=1.0.0-pre <2.4.0

Fix Suggestion:

Update to version 2.4.0

simplefile123 (NUGET):

Affected version(s) =1.0.0

Fix Suggestion:

Update to version no_fix

newplatform.flexberry.designer.embercache (NUGET):

Affected version(s) =3.7.0-beta09

Fix Suggestion:

Update to version no_fix

nordron.angulartemplate (NUGET):

Affected version(s) =0.1.5 <0.1.6

Fix Suggestion:

Update to version 0.1.6

dotnetng.template (NUGET):

Affected version(s) >=1.0.0.1 <1.0.0.4

Fix Suggestion:

Update to version 1.0.0.4

autodomain.modules.core.blazor (NUGET):

Affected version(s) >=4.1.202 <4.1.205

Fix Suggestion:

Update to version 4.1.205

pwptemplatepusintek (NUGET):

Affected version(s) =0.0.1

Fix Suggestion:

Update to version no_fix

autodomain.modules.core (NUGET):

Affected version(s) >=4.1.0 <=4.1.1

Fix Suggestion:

Update to version no_fix

midiator.webclient (NUGET):

Affected version(s) >=1.0.98 <1.0.105

Fix Suggestion:

Update to version 1.0.105

pwptemplatecms (NUGET):

Affected version(s) >=0.0.1 <=0.0.2

Fix Suggestion:

Update to version no_fix

karmanodemodules (NUGET):

Affected version(s) >=1.0.0 <=1.0.1

Fix Suggestion:

Update to version no_fix

apace (NUGET):

Affected version(s) >=1.0.4 <=6.1.0.4

Fix Suggestion:

Update to version no_fix

sheelersoft.angulartemplate (NUGET):

Affected version(s) >=0.0.1 <=0.0.2

Fix Suggestion:

Update to version no_fix

sheeler.angulartemplate (NUGET):

Affected version(s) =0.0.1

Fix Suggestion:

Update to version no_fix

sombrerodepaja/franky-skeleton-application (PHP):

Affected version(s) >=dev-dependabot/npm_and_yarn/engine.io-and-browser-sync-6.2.1 <dev-dev

Fix Suggestion:

Update to version dev-dev

dwij/laraadmin (PHP):

Affected version(s) =dev-Unit-Testing-1 <1.0.1

Fix Suggestion:

Update to version 1.0.1

yewei-cao/noodle (PHP):

Affected version(s) >=dev-master <v0.0.31

Fix Suggestion:

Update to version v0.0.31

novosga/novosga (PHP):

Affected version(s) =v2.1.x-dev <v2.1.1

Fix Suggestion:

Update to version v2.1.1

scancode/portal-module (PHP):

Affected version(s) >=v1.0.7 <v1.0.12

Fix Suggestion:

Update to version v1.0.12

oceancodex/wpsp (PHP):

Affected version(s) >=dev-main <7.4.0

Fix Suggestion:

Update to version 7.4.0

pterodactyl/panel (PHP):

Affected version(s) =dev-dane/restore-backups <dev-dane/sanctum

Fix Suggestion:

Update to version dev-dane/sanctum

pterodactyl/panel (PHP):

Affected version(s) =dev-feature/issue-18 <dev-softwarenoob/docker-arm64

Fix Suggestion:

Update to version dev-softwarenoob/docker-arm64

pusaka3/framework (PHP):

Affected version(s) >=dev-develop <=v3.0.1

Fix Suggestion:

Update to version no_fix

mahendraempyreal/emp-chat (PHP):

Affected version(s) >=1.0.1 <=1.0.9

Fix Suggestion:

Update to version no_fix

johnrazeur/php-socket-io-event-emitter (PHP):

Affected version(s) >=dev-master <v1.0.0

Fix Suggestion:

Update to version v1.0.0

pterodactyl/panel (PHP):

Affected version(s) =dev-fix-2094 <dev-issue/3535

Fix Suggestion:

Update to version dev-issue/3535

originalsystems/yii2-app-template (PHP):

Affected version(s) =v0.1.1 <v0.2.4

Fix Suggestion:

Update to version v0.2.4

flexxia/flexprimeng (PHP):

Affected version(s) =dev-dependabot/npm_and_yarn/css/postcss/minimatch-3.1.2 <dev-dependabot/npm_and_yarn/css/postcss/browserslist-4.17.0

Fix Suggestion:

Update to version dev-dependabot/npm_and_yarn/css/postcss/browserslist-4.17.0

mmi/mmi-cms (PHP):

Affected version(s) >=2.2.9.1 <2.3.1

Fix Suggestion:

Update to version 2.3.1

pterodactyl/panel (PHP):

Affected version(s) >=dev-develop <dev-eggs/rust

Fix Suggestion:

Update to version dev-eggs/rust

sroehrl/neoan-php (PHP):

Affected version(s) =2.0.11

Fix Suggestion:

Update to version no_fix

blenderdeluxe/chat (PHP):

Affected version(s) >=dev-master <=1.0.0

Fix Suggestion:

Update to version no_fix

anupsathya/umd_bootstrap_sass (PHP):

Affected version(s) >=v0.2.7 <=v0.2.14

Fix Suggestion:

Update to version no_fix

pterodactyl/panel (PHP):

Affected version(s) >=dev-matthewpi/composer-upgrade-1 <dev-fix/forgev2

Fix Suggestion:

Update to version dev-fix/forgev2

ksaitechnologies/yii2-app-kernel (PHP):

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

Fix Suggestion:

Update to version dev-master

yewei-cao/noodle (PHP):

Affected version(s) =dev-dependabot/npm_and_yarn/decode-uri-component-0.2.2 <v0.03

Fix Suggestion:

Update to version v0.03

flexxia/flexprimeng (PHP):

Affected version(s) =dev-dependabot/npm_and_yarn/css/postcss/minimist-1.2.8 <dev-dependabot/npm_and_yarn/css/postcss/ini-1.3.8

Fix Suggestion:

Update to version dev-dependabot/npm_and_yarn/css/postcss/ini-1.3.8

novosga/novosga (PHP):

Affected version(s) =v3.0.x-dev <dev-dependabot/composer/twig/twig-3.14.0

Fix Suggestion:

Update to version dev-dependabot/composer/twig/twig-3.14.0

foodsharing/foodsharing (PHP):

Affected version(s) =dev-master

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

socieboy/chat (PHP):

Affected version(s) =dev-master

Fix Suggestion:

Update to version no_fix

panda-coder/phpanda (PHP):

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

Fix Suggestion:

Update to version dev-oldMaster

flexxia/flexprimeng (PHP):

Affected version(s) =dev-anguarJs-v7 <dev-dependabot/npm_and_yarn/css/postcss/y18n-3.2.2

Fix Suggestion:

Update to version dev-dependabot/npm_and_yarn/css/postcss/y18n-3.2.2

chrisbraybrooke/laravel-ecommerce (PHP):

Affected version(s) =0.0.1 <0.0.2

Fix Suggestion:

Update to version 0.0.2

wangliang/laravel-admin (PHP):

Affected version(s) >=dev-master <=v1.4

Fix Suggestion:

Update to version no_fix

tianfuunion/mark-resources (PHP):

Affected version(s) >=dev-master <=0.1

Fix Suggestion:

Update to version no_fix

novosga/novosga (PHP):

Affected version(s) =dev-dependabot/composer/symfony/cache-4.3.11 <dev-dependabot/composer/symfony/serializer-4.4.35

Fix Suggestion:

Update to version dev-dependabot/composer/symfony/serializer-4.4.35

yanev/laraadmin (PHP):

Affected version(s) >=dev-master <=2.0.2

Fix Suggestion:

Update to version no_fix

oceancodex/wpsp (PHP):

Affected version(s) >=8.0.0 <8.0.1

Fix Suggestion:

Update to version 8.0.1

sroehrl/neoan-php (PHP):

Affected version(s) =dev-master <v2.0.1-beta

Fix Suggestion:

Update to version v2.0.1-beta

novosga/novosga (PHP):

Affected version(s) =dev-master <v0.5.1

Fix Suggestion:

Update to version v0.5.1

jagermesh/bright (PHP):

Affected version(s) >=v2.0.10 <v2.0.12

Fix Suggestion:

Update to version v2.0.12

dickyermawan/yii2-socketio (PHP):

Affected version(s) >=dev-master <=v1.0

Fix Suggestion:

Update to version no_fix

efecanaltay/hello-world (PHP):

Affected version(s) =dev-master

Fix Suggestion:

Update to version no_fix

scancode/portal-module (PHP):

Affected version(s) >=v1.0.0 <dev-dependabot/npm_and_yarn/Resources/assets/coreui/path-parse-1.0.7

Fix Suggestion:

Update to version dev-dependabot/npm_and_yarn/Resources/assets/coreui/path-parse-1.0.7

yewei-cao/noodle (PHP):

Affected version(s) >=dev-dependabot/npm_and_yarn/engine.io-and-browser-sync-and-socket.io-6.2.1 <dev-feature/admin

Fix Suggestion:

Update to version dev-feature/admin

basic-builder/easybuilder-bundle (PHP):

Affected version(s) >=dev-master <v0.0.3

Fix Suggestion:

Update to version v0.0.3

xlabs/notifybundle (PHP):

Affected version(s) >=dev-master <=1.0.14

Fix Suggestion:

Update to version no_fix

chrisbraybrooke/laravel-ecommerce (PHP):

Affected version(s) >=v0.0.17 <0.0.56

Fix Suggestion:

Update to version 0.0.56

mpcmf/mpcmf-web-app (PHP):

Affected version(s) =dev-php7

Fix Suggestion:

Update to version no_fix

pterodactyl/panel (PHP):

Affected version(s) >=v0.6.4 <dev-actions/tests-patch-1

Fix Suggestion:

Update to version dev-actions/tests-patch-1

pterodactyl/panel (PHP):

Affected version(s) >=dev-Softwarenoob/docker-readme <dev-dane/fiddle-with-new-tables

Fix Suggestion:

Update to version dev-dane/fiddle-with-new-tables

oceancodex/wpsp (PHP):

Affected version(s) >=8.1.0 <8.1.1

Fix Suggestion:

Update to version 8.1.1

originalsystems/yii2-app-kernel (PHP):

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

Fix Suggestion:

Update to version dev-master

scancode/portal-module (PHP):

Affected version(s) >=v0.0.1 <dev-dependabot/npm_and_yarn/Resources/assets/coreui/decode-uri-component-0.2.2

Fix Suggestion:

Update to version dev-dependabot/npm_and_yarn/Resources/assets/coreui/decode-uri-component-0.2.2

pterodactyl/panel (PHP):

Affected version(s) >=dev-dane/laravel-8 <dev-dane/laravel-9

Fix Suggestion:

Update to version dev-dane/laravel-9

narirock/marrs-catalog (PHP):

Affected version(s) >=dev-dev <=1

Fix Suggestion:

Update to version no_fix

originalsystems/yii2-app-kernel (PHP):

Affected version(s) >=v0.2.7 <v1.0.2

Fix Suggestion:

Update to version v1.0.2

pterodactyl/panel (PHP):

Affected version(s) >=dev-replace-allocation-repository <dev-softwarenoob/remove-ga

Fix Suggestion:

Update to version dev-softwarenoob/remove-ga

kriss/yii2-web-msg-sender (PHP):

Affected version(s) =v1.0 <v1.1

Fix Suggestion:

Update to version v1.1

novosga/novosga (PHP):

Affected version(s) =2.0.0-RC1 <v2.0.0-RC1

Fix Suggestion:

Update to version v2.0.0-RC1

pterodactyl/panel (PHP):

Affected version(s) =dev-master <dev-matthewpi/database-tls

Fix Suggestion:

Update to version dev-matthewpi/database-tls

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

grandchef/php-socket-io-event-emitter (PHP):

Affected version(s) >=dev-master <=1.0.2

Fix Suggestion:

Update to version no_fix

bobzhai/fourbrother (PHP):

Affected version(s) >=dev-main <=v1.0.1

Fix Suggestion:

Update to version no_fix

novosga/novosga (PHP):

Affected version(s) =v2.0.x-dev <v2.0.1

Fix Suggestion:

Update to version v2.0.1

zhangjf108/php-framework-application (PHP):

Affected version(s) =dev-master

Fix Suggestion:

Update to version no_fix

pterodactyl/panel (PHP):

Affected version(s) >=dev-feature/root-admin-suspended <dev-fix/forge

Fix Suggestion:

Update to version dev-fix/forge

bobzhai/cbsms (PHP):

Affected version(s) >=dev-main <=1.0

Fix Suggestion:

Update to version no_fix

yewei-cao/noodle (PHP):

Affected version(s) >=dev-dependabot/npm_and_yarn/path-parse-1.0.7 <dev-dependabot/npm_and_yarn/y18n-3.2.2

Fix Suggestion:

Update to version dev-dependabot/npm_and_yarn/y18n-3.2.2

mahendraempyreal/emp-chat (PHP):

Affected version(s) >=dev-main <1.0.0

Fix Suggestion:

Update to version 1.0.0

pterodactyl/panel (PHP):

Affected version(s) >=dev-feature/console-scrolldown <dev-feature/react-admin

Fix Suggestion:

Update to version dev-feature/react-admin

ristorantino/aditions (PHP):

Affected version(s) =dev-master <dev-master-ko-js-update

Fix Suggestion:

Update to version dev-master-ko-js-update

novosga/novosga (PHP):

Affected version(s) =dev-v2.0.7-fix-reset <v2.0.7

Fix Suggestion:

Update to version v2.0.7

frankyframework/franky2 (PHP):

Affected version(s) =dev-main

Fix Suggestion:

Update to version no_fix

mriso_dev/nodejschat (PHP):

Affected version(s) =dev-master

Fix Suggestion:

Update to version no_fix

ksaitechnologies/yii2-app-kernel (PHP):

Affected version(s) >=v0.2.7 <v1.0.2

Fix Suggestion:

Update to version v1.0.2

oceancodex/wpsp (PHP):

Affected version(s) >=8.2.0 <8.2.1

Fix Suggestion:

Update to version 8.2.1

s00d/redis-web (PHP):

Affected version(s) =0.1.0 <0.1.1

Fix Suggestion:

Update to version 0.1.1

touskar/php-socket-io-event-emitter (PHP):

Affected version(s) =dev-master

Fix Suggestion:

Update to version no_fix

novosga/novosga (PHP):

Affected version(s) =v2.2.x-dev <dev-dependabot/composer/twig/twig-2.14.11

Fix Suggestion:

Update to version dev-dependabot/composer/twig/twig-2.14.11

bobzhai/apps (PHP):

Affected version(s) >=dev-master <=1.0.0

Fix Suggestion:

Update to version no_fix

chrisbraybrooke/laravel-ecommerce (PHP):

Affected version(s) >=0.0.4 <0.0.17

Fix Suggestion:

Update to version 0.0.17

dgenies (PYTHON):

Affected version(s) >=1.2.0.1 <=1.5.0

Fix Suggestion:

Update to version no_fix

electrscash (RUST):

Affected version(s) =1.0.0 <1.1.1

Fix Suggestion:

Update to version 1.1.1

Related Resources (1)

https://github.com/socketio/socket.io/commit/f78a575f66ab693c3ea96ea88429ddb1a44c86c7

Do you need more information?

CVSS v4

Base Score:

8.6

Attack Vector

NETWORK

Attack Complexity

LOW

Attack Requirements

NONE

Privileges Required

NONE

User Interaction

PASSIVE

Vulnerable System Confidentiality

HIGH

Vulnerable System Integrity

HIGH

Vulnerable System Availability

NONE

Subsequent System Confidentiality

NONE

Subsequent System Integrity

NONE

Subsequent System Availability

NONE

CVSS v3

Base Score:

8.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE