User Enumeration Vulnerability in PHP Jabbers Car Rental Script

CVE-2023-40764

Summary

A user enumeration vulnerability exists in PHP Jabbers Car Rental Script v3.0 during the password recovery process. This vulnerability arises from inconsistent messages returned to users, which can indicate whether a username is valid. An attacker could exploit this inconsistency to ascertain valid usernames, thereby facilitating brute force attacks against accounts within the system. Mitigation strategies should involve implementing uniform response messages for valid and invalid username attempts, enhancing user authentication security.

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