CVE-2023-2422

A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client, therefore, access data that belongs to...

CVE-2023-2422

CVE-2023-2422 describes an authentication flaw in Keycloak-based deployments where mTLS client certificate chain verification is insufficient. The vulnerability allows a client with a valid certificate to impersonate another client and access data belonging to that client. The issue is documented...

CVE-2023-2422 Keycloak: oauth client impersonation

A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client, therefore, access data that belongs to...

[SECURITY] Fedora 38 Update: python-oauthlib-3.2.2-1.fc38

OAuthLib is a generic utility which implements the logic of OAuth without assuming a specific HTTP request object or web framework. Use it to graft OAuth client support onto your favorite HTTP library, or provider support onto your favourite web framework. If you're a maintainer of such a library...

CVE-2022-4137

A reflected cross-site scripting XSS vulnerability was found in the 'oob' OAuth endpoint due to incorrect null-byte handling. This issue allows a malicious link to insert an arbitrary URI into a Keycloak error page. This flaw requires a user or administrator to interact with a link in order to be...

CVE-2022-4137

A reflected cross-site scripting XSS vulnerability was found in the 'oob' OAuth endpoint due to incorrect null-byte handling. This issue allows a malicious link to insert an arbitrary URI into a Keycloak error page. This flaw requires a user or administrator to interact with a link in order to be...

Cross site scripting

A reflected cross-site scripting XSS vulnerability was found in the 'oob' OAuth endpoint due to incorrect null-byte handling. This issue allows a malicious link to insert an arbitrary URI into a Keycloak error page. This flaw requires a user or administrator to interact with a link in order to be...

CVE-2022-4137 Keycloak: reflected xss attack

A reflected cross-site scripting XSS vulnerability was found in the 'oob' OAuth endpoint due to incorrect null-byte handling. This issue allows a malicious link to insert an arbitrary URI into a Keycloak error page. This flaw requires a user or administrator to interact with a link in order to be...

CVE-2022-4137

CVE-2022-4137 is a reflected XSS in Keycloak’s oob OAuth endpoint caused by incorrect null-byte handling. A malicious link can insert an arbitrary URI into a Keycloak error page, and exploitation requires user interaction, potentially compromising user details. Connected sources identify this vul...

How to Prevent API Breaches: A Guide to Robust Security

With the growing reliance on web applications and digital platforms, the use of application programming interfaces APIs has become increasingly popular. If you aren't familiar with the term, APIs allow applications to communicate with each other and they play a vital role in modern software...

CVE-2023-25042

Auth. admin+ Stored Cross-Site Scripting XSS vulnerability in Liam Gladdy Storm Consultancy oAuth Twitter Feed for Developers plugin = 2.3.0 versions...

Cross site scripting

Auth. admin+ Stored Cross-Site Scripting XSS vulnerability in Liam Gladdy Storm Consultancy oAuth Twitter Feed for Developers plugin = 2.3.0 versions...

CVE-2023-25042

CVE-2023-25042 : Stored XSS in the oAuth Twitter Feed for Developers WordPress plugin (

CVE-2023-25042 WordPress oAuth Twitter Feed for Developers Plugin <= 2.3.0 is vulnerable to Cross Site Scripting (XSS)

Auth. admin+ Stored Cross-Site Scripting XSS vulnerability in Liam Gladdy Storm Consultancy oAuth Twitter Feed for Developers plugin = 2.3.0 versions...

PT-2023-19891 · Unknown · Oauth Twitter Feed For Developers

Name of the Vulnerable Software and Affected Versions: oAuth Twitter Feed for Developers plugin versions = 2.3.0 Description: The issue is related to a Stored Cross-Site Scripting XSS vulnerability that requires authentication with admin+ privileges. This vulnerability affects the oAuth Twitter...

How to Investigate an OAuth Grant for Suspicious Activity or Overly Permissive Scopes

From a user's perspective, OAuth works like magic. In just a few keystrokes, you can whisk through the account creation process and gain immediate access to whatever new app or integration you're seeking. Unfortunately, few users understand the implications of the permissions they allow when they...

Discord.io confirms theft of 760,000 members' data

Discord.io was/is a third party service that enables owners of Discord servers to create customized, personal Discord invites. After a preview of Discord.io's users database was posted on BreachForums, the owners have decided to shut down all Discord.io services "for the foreseeable future."...

SUSE CVE-2023-39958

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versions 22.2.10.13, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, missing protection allows an attacker to brute force the client secrets of configured OAuth2 clients...

Authentication Bypass

sentry is vulnerable to Authentication Bypass. The vulnerability exists due to the lack of a OIDC signing token inside the authentication mechanism which allows an attacker with sufficient client-side exploits to get a valid OAuth token for another user...

PT-2023-5260 · Nextcloud +2 · Nextcloud Server +2

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions 22.0.0 through 22.2.10.12 Nextcloud Server versions 23.0.0 through 23.0.12.7 Nextcloud Server versions 24.0.0 through 24.0.12.4 Nextcloud Server versions 25.0.0 through 25.0.8 Nextcloud Server versions 26.0.0 through...