CVE-2019-25510

CVE-2019-25510 is an authentication bypass vulnerability in Jettweb PHP Hazir Haber Sitesi Scripti V2, stemming from improper SQL query validation in the administration panel. The flaw affects the admingiris.php login form, where attackers can inject SQL payloads into the username and password fields to circumvent authentication checks, as classified under CWE-89 (SQL Injection). The vulnerability carries a CVSS v3.1 base score of 8.2 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N), indicating high severity due to network accessibility and no prerequisites for exploitation.

Unauthenticated remote attackers can exploit this vulnerability by submitting crafted SQL injection payloads during login attempts, bypassing credentials validation and gaining full administrative access to the interface. Successful exploitation grants attackers elevated privileges, enabling potential data manipulation, user management, content control, and other admin functions, with high confidentiality impact and low integrity impact but no availability disruption.

Advisories and references, including an Exploit-DB entry (https://www.exploit-db.com/exploits/46598) providing a proof-of-concept and a Vulncheck advisory (https://www.vulncheck.com/advisories/jettweb-php-hazir-haber-sitesi-scripti-v2-authentication-bypass), document the issue but do not specify available patches or vendor mitigations in the provided details. Security practitioners should verify input sanitization in login forms and apply general SQL injection defenses like prepared statements until updates are confirmed.