CyberRota Analysis
AI-GeneratedThe vulnerability in Laravel Socialite's Facebook provider allows unauthenticated attackers to bypass authentication by replaying captured OIDC id_tokens due to the absence of nonce claim validation in the getUserByOIDCToken() function. This flaw enables attackers to gain unauthorized access to user accounts by submitting valid tokens for the same Facebook App ID, as the necessary session-bound nonce checks are not enforced. Organizations using Laravel Socialite for Facebook authentication should prioritize addressing this vulnerability to protect user accounts from unauthorized access.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
Laravel Socialite's Facebook provider contains an authentication bypass vulnerability that allows unauthenticated attackers to replay captured OIDC id_tokens by exploiting the missing nonce claim validation in the getUserByOIDCToken() function within FacebookProvider.php. Attackers who obtain a valid, unexpired id_token issued for the same Facebook App ID can submit the captured token to the backend userFromToken() endpoint, bypassing authentication controls because signature, aud, and iss checks pass while no session-bound nonce comparison is performed, resulting in unauthorized access to victim accounts.