CVE-2025-48951 Auth0-PHP SDK Deserialization of Untrusted Data vulnerability

Auth0-PHP is a PHP SDK for Auth0 Authentication and Management APIs. Versions 8.0.0-BETA3 prior to 8.3.1 contain a vulnerability due to insecure deserialization of cookie data. If exploited, since SDKs process cookie content without prior authentication, a threat actor could send a specially...

CVE-2025-48951

The CVE concerns Auth0-PHP in versions 8.0.0-BETA3 through 8.3.1, where insecure deserialization of cookie data enables an attacker to craft malicious cookies since the SDK processes cookie content without prior authentication. Affected ecosystems include apps using Auth0-PHP directly and those u...

PT-2025-23673 · Auth0 · Auth0/Wordpress +3

Name of the Vulnerable Software and Affected Versions: Auth0-PHP versions 8.0.0-BETA3 through 8.14.0 Description: The issue is due to insecure deserialization of cookie data. If exploited, a threat actor could send a specially crafted cookie containing malicious serialized data, as the SDK...

Auth0-PHP 代码问题漏洞

Auth0-PHP is an Auth0 open source PHP SDK for Auth0 authentication and management API. A code issue vulnerability exists in Auth0-PHP versions prior to 8.0.0-BETA3 through 8.14.0, which stems from insecure deserialization of cookie data, which could lead to malicious serialized data execution...

CVE-2025-48951: Deserialization of Untrusted Data

Auth0-PHP is a PHP SDK for Auth0 Authentication and Management APIs. Versions 8.0.0-BETA3 prior to 8.3.1 contain a vulnerability due to insecure deserialization of cookie data. If exploited, since SDKs process cookie content without prior authentication, a threat actor could send a specially...

CVE-2023-6813

The Login by Auth0 plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘wle’ parameter in all versions up to, and including, 4.6.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web...

CVE-2022-29172

Auth0 is an authentication broker that supports both social and enterprise identity providers, including Active Directory, LDAP, Google Apps, and Salesforce. In versions before 11.33.0, when the “additional signup fields” feature is configured, a malicious actor can inject invalidated HTML code...

CVE-2021-43812

The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. Versions before 1.6.2 do not filter out certain returnTo parameter values from the login url, which expose the application to an open redirect vulnerability. Users are advised to upgrade as soon as...

CVE-2021-32702

The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. Versions before and including 1.4.1 are vulnerable to reflected XSS. An attacker can execute arbitrary code by providing an XSS payload in the error query parameter which is then processed by the...

CVE-2021-32641

auth0-lock is Auth0's signin solution. Versions of nauth0-lock before and including 11.30.0 are vulnerable to reflected XSS. An attacker can execute arbitrary code when the library's flashMessage feature is utilized and user input or data from URL parameters is incorporated into the flashMessage ...

CVE-2020-7948

An issue was discovered in the Login by Auth0 plugin before 4.0.0 for WordPress. A user can perform an insecure direct object reference...

CVE-2020-5263

auth0.js NPM package auth0-js greater than version 8.0.0 and before version 9.12.3 has a vulnerability. In the case of an authentication error, the error object returned by the library contains the original request of the user, which may include the plaintext password the user entered. If the err...

CVE-2020-7947

An issue was discovered in the Login by Auth0 plugin before 4.0.0 for WordPress. It has numerous fields that can contain data that is pulled from different sources. One issue with this is that the data isn't sanitized, and no input validation is performed, before the exporting of the user data...

CVE-2020-6753

The Login by Auth0 plugin before 4.0.0 for WordPress allows stored XSS on multiple pages, a different issue than CVE-2020-5392...

CVE-2020-5392

A stored cross-site scripting XSS vulnerability exists in the Auth0 plugin before 4.0.0 for WordPress via the settings page...

CVE-2020-5391

Cross-site request forgery CSRF vulnerabilities exist in the Auth0 plugin before 4.0.0 for WordPress via the domain field...

CVE-2020-15119

In auth0-lock versions before and including 11.25.1, dangerouslySetInnerHTML is used to update the DOM. When dangerouslySetInnerHTML is used, the application and its users might be exposed to cross-site scripting XSS attacks...

CVE-2019-16929

Auth0 auth0.net before 6.5.4 has Incorrect Access Control because IdentityTokenValidator can be accidentally used to validate untrusted ID tokens...

CVE-2019-13483

Auth0 Passport-SharePoint before 0.4.0 does not validate the JWT signature of an Access Token before processing. This allows attackers to forge tokens and bypass authentication and authorization mechanisms...

Authentication Bypass

auth0/auth0-php is vulnerable to Authentication Bypass. The vulnerability is due to weak authentication tag protection due to session cookies configured with CookieStore being susceptible to brute-force attacks, potentially allowing unauthorized access...