SQL Injection Vulnerability in PHPGurukul User Registration & Login System 3.3
CVE-2026-5543
What is CVE-2026-5543?
A critical vulnerability exists in the PHPGurukul User Registration & Login and User Management System version 3.3. This issue arises from improper handling of the ID argument in the /admin/yesterday-reg-users.php file, allowing for SQL injection attacks. By manipulating the arguments sent to the affected function, attackers can execute arbitrary SQL code, potentially compromising the application's database. The exploit is publicly available, making it essential for administrators to apply security patches promptly to mitigate the risk of remote exploitation.
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Affected Version(s)
User Registration & Login and User Management System 3.3
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.