CVE-2025-48951
Auth0-PHP SDK Deserialization of Untrusted Data vulnerability
- State
- Published
- Severity
- 9.3 Critical
- Published
- Jun 3, 2025
- Updated
- Jun 4, 2025
- Reserved
- May 28, 2025
Description
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 crafted cookie containing malicious serialized data. Applications using the Auth0-PHP SDK are affected, as are applications using the Auth0/symfony, Auth0/laravel-auth0, or Auth0/wordpress SDKs, because those SDKsrely on the Auth0-PHP SDK versions from 8.0.0-BETA3 until 8.14.0. Version 8.3.1 contains a patch for the issue.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H | GitHub_M |
Weaknesses
- CWE-502 Deserialization of Untrusted Data
Affected Products
| Product | Versions |
|---|---|
auth0-PHPauth0 |
|
References
- https://github.com/auth0/auth0-PHP/security/advisories/GHSA-v9m8-9xxp-q492
- https://github.com/auth0/laravel-auth0/security/advisories/GHSA-c42h-56wx-h85q
- https://github.com/auth0/symfony/security/advisories/GHSA-98j6-67v3-mw34
- https://github.com/auth0/wordpress/security/advisories/GHSA-862m-5253-832r
- https://github.com/auth0/auth0-PHP/commit/04b1f5daa8bdfebc5e740ec5ca0fb2df1648a715
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