Atom CMS 2.0 Unauthenticated SQL Injection via Admin Index Page

Advisories

severity: critical
date: December 22, 2025
Affecting: Atom CMS 2.0
CVE: CVE-2023-53975
CWE: CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CVSS: 9.3
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
References: ExploitDB-51086
Atom CMS GitHub Repository
Credit: Hubert Wojciechowski
Description: Atom CMS 2.0 contains an unauthenticated SQL injection vulnerability that allows remote attackers to manipulate database queries through unvalidated parameters. Attackers can inject malicious SQL code in the 'id' parameter of the admin index page to execute time-based blind SQL injection attacks.