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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

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References
Link Providers
https://github.com/auth0/auth0-PHP/commit/04b1f5daa8bdfebc5e740ec5ca0fb2df1648a715 cve-icon cve-icon
https://github.com/auth0/auth0-PHP/security/advisories/GHSA-v9m8-9xxp-q492 cve-icon cve-icon
https://github.com/auth0/laravel-auth0/security/advisories/GHSA-c42h-56wx-h85q cve-icon cve-icon
https://github.com/auth0/symfony/security/advisories/GHSA-98j6-67v3-mw34 cve-icon cve-icon
https://github.com/auth0/wordpress/security/advisories/GHSA-862m-5253-832r cve-icon cve-icon
History

Tue, 15 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00073}

 epss

{'score': 0.0004}

Wed, 04 Jun 2025 21:45:00 +0000

Type Values Removed Values Added
References

Wed, 04 Jun 2025 20:45:00 +0000

Type Values Removed Values Added
Description Auth0-PHP is a PHP SDK for Auth0 Authentication and Management APIs. Versions 8.0.0-BETA3 prior to 8.14.0 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 8.14.0 contains a patch for the issue. 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.
References

Wed, 04 Jun 2025 19:00:00 +0000

Type Values Removed Values Added
References

Wed, 04 Jun 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 03 Jun 2025 21:00:00 +0000

Type Values Removed Values Added
Description Auth0-PHP is a PHP SDK for Auth0 Authentication and Management APIs. Versions 8.0.0-BETA3 prior to 8.14.0 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 8.14.0 contains a patch for the issue.
Title Auth0-PHP SDK Deserialization of Untrusted Data vulnerability
Weaknesses CWE-502
References
Metrics cvssV4_0

{'score': 9.3, 'vector': '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2025-06-03T20:52:35.064Z

Updated: 2025-06-04T20:32:18.609Z

Reserved: 2025-05-28T18:49:07.585Z

Link: CVE-2025-48951

cve-icon Vulnrichment

Updated: 2025-06-04T13:33:23.250Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-06-03T21:15:21.840

Modified: 2025-06-04T21:15:40.580

Link: CVE-2025-48951

cve-icon Redhat

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