Description

SQL Injection vulnerability in Qcms v.6.0.6 allows a remote attacker to execute arbitrary code

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "9.8",
  "pubDate": "2026-08-17T22:17:25.680Z",
  "pubdate": "2026-08-17T22:17:25.680Z",
  "executiveSummary": "A security vulnerability categorized as a SQL Injection (SQLi) flaw has been identified in Qcms v.6.0.6. This vulnerability enables a remote, unauthenticated attacker to execute arbitrary system code on the underlying host operating system.\nThe primary impact of this flaw is a complete compromise of confidentiality, integrity, and availability of the affected system. Successful exploitation allows malicious actors to execute arbitrary commands, manipulate database contents, extract sensitive data, and potentially achieve full administrative control over the targeted server.\nThe affected product is Qcms version v.6.0.6. The risk implications are severe due to the remote nature of the exploit and the high-privilege execution capabilities often associated with database-to-code execution vectors. Attackers require network connectivity to the vulnerable application endpoint exposing the insecure database queries.\nExploitation requirements include the ability to interact with the web application inputs that interface directly with the database without adequate parameterization or input sanitization. Remediation requires implementing robust input validation, utilizing parameterized queries or prepared statements, and applying vendor-supplied patches where available.",
  "technicalDetails": "The root cause of the vulnerability stems from improper neutralization of special elements used in an SQL command within Qcms v.6.0.6. User-supplied input is directly concatenated into database query strings or handled with insufficient sanitization, allowing malicious SQL payloads to alter the intended query logic.\nThe vulnerable component involves the application modules responsible for processing database transactions and handling user input parameters. Because input validation and context-aware escaping are absent, the SQL interpreter processes malicious directives embedded by the attacker.\nThe attack flow proceeds as follows: First, the remote attacker identifies an input vector within the application that interacts with the backend database. Second, the attacker crafts a specialized SQL injection payload designed to interact with database features, such as administrative functions, stored procedures, or file read/write capabilities.\nBy leveraging advanced SQL injection techniques, the attacker can manipulate database execution paths or leverage specific database management system features to write malicious scripts or execute operating system commands directly through database functions like xp_cmdshell or INTO OUTFILE mechanisms combined with web shell deployment.\nThe attack vector is network-exposed, allowing external entities to send malicious HTTP requests containing the SQL injection payload. Authentication and privilege requirements are minimal or non-existent, as the entry points are typically reachable by remote unauthenticated users over standard web protocols (HTTP/HTTPS).\nPost-exploitation impact includes arbitrary code execution, persistence establishment via web shells, lateral movement within the internal network, and data exfiltration of sensitive application stores, configuration files, and user credentials."
}