Description

A vulnerability has been found in itsourcecode Sales and Inventory System 1.0. Affected by this vulnerability is an unknown functionality of the file /pages/us_transac.php. Such manipulation of the argument Username leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "6.3",
  "pubDate": "2026-09-07T04:17:50.427Z",
  "pubdate": "2026-09-07T04:17:50.427Z",
  "executiveSummary": "A critical SQL injection vulnerability has been identified in the itsourcecode Sales and Inventory System 1.0. The vulnerability resides within the '/pages/us_transac.php' script and permits an unauthenticated remote attacker to manipulate database queries via the 'Username' argument.\nBy injecting malicious SQL commands into this parameter, an attacker can interfere with the backend database, potentially leading to unauthorized data disclosure, modification, or deletion. This flaw poses a significant security risk as it allows for remote exploitation without requiring specific user privileges.\nThe vulnerability is actively exposed to public exploit vectors, increasing the likelihood of exploitation. Given the nature of SQL injection, the integrity, confidentiality, and availability of the system's database are directly at risk.",
  "technicalDetails": "The vulnerability is a classic SQL injection flaw stemming from improper sanitization of user-supplied input. Specifically, the application fails to adequately validate or parameterize the 'Username' parameter processed by the '/pages/us_transac.php' file before including it in a database query.\nRoot Cause Analysis: The underlying issue is the concatenation of unsanitized input into SQL statements. When the system receives a request containing a maliciously crafted 'Username' argument, the input is treated as part of the executable SQL code rather than as data. This allows an attacker to break out of the intended query structure.\nAttack Flow: An attacker can send a crafted HTTP request (GET or POST) to the vulnerable endpoint '/pages/us_transac.php'. By injecting SQL syntax characters—such as single quotes ('), comment operators (-- or #), or UNION statements—into the 'Username' field, the attacker can manipulate the query logic. For instance, an attacker could bypass authentication, exfiltrate sensitive data from the database, or potentially perform administrative actions depending on the database user's privileges.\nExploitation Method: Since the vulnerability is remotely exploitable, attackers can perform this attack over a network without prior access to the system. Publicly disclosed exploit methods demonstrate that the injection point is accessible to any user who can reach the '/pages/us_transac.php' page.\nImpact: Successful exploitation can lead to full database compromise. This includes unauthorized access to customer and inventory data, credentials, and other proprietary information stored within the application's database. Depending on the configuration of the database backend, an attacker might also be able to read system files or interact with the operating system if the database permissions are misconfigured."
}