Description

A vulnerability has been found in itsourcecode Payroll System 1.0. The impacted element is the function Login of the file admin_class.php. The manipulation of the argument Username leads to sql injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "7.3",
  "pubDate": "2026-08-24T06:21:09.847Z",
  "pubdate": "2026-08-24T06:21:09.847Z",
  "executiveSummary": "An SQL injection vulnerability has been identified in itsourcecode Payroll System 1.0, specifically within the Login function located in admin_class.php. This security flaw enables remote attackers to manipulate the Username parameter, allowing unauthorized execution of arbitrary SQL commands against the underlying database. The vulnerability poses significant risk implications, potentially leading to unauthorized data access, authentication bypass, and complete compromise of the affected database management system. Exploitation of this flaw can be conducted remotely over the network without requiring prior authentication, increasing the severity and urgency of the risk. Because the exploit has been publicly disclosed, unauthorized threat actors actively scan for and target vulnerable instances of itsourcecode Payroll System 1.0. Organizations utilizing this product are exposed to severe confidentiality, integrity, and availability breaches unless immediate remediation strategies are implemented to secure the input handling mechanisms within the affected script.",
  "technicalDetails": "The vulnerability resides in the authentication handler of itsourcecode Payroll System 1.0, specifically inside the Login function within the admin_class.php file. The root cause of the vulnerability stems from inadequate input validation and the failure to utilize parameterized queries or prepared statements when constructing database queries using user-supplied input. Specifically, the Username argument accepts raw input directly from HTTP request parameters and concatenates it unsanitized into SQL query strings executed by the database management system. To exploit this vulnerability, a remote attacker interacts with the authentication interface and submits a maliciously crafted payload containing SQL syntax within the Username field. Because the application fails to properly sanitize or parameterize the input, the database interprets the attacker-supplied strings as executable SQL commands rather than literal data. The attack flow initiates when the client transmits the crafted HTTP request to the vulnerable endpoint hosting admin_class.php. The Login function processes the request, embeds the malicious Username parameter directly into the database query, and sends the concatenated statement to the backend database. Upon execution, the injected SQL commands alter the intended logic of the query, allowing the attacker to bypass authentication mechanisms, extract sensitive information from database tables, or potentially execute administrative operations. The vulnerable component is strictly confined to the Login function within admin_class.php in version 1.0 of the application. The exploitation requirements are minimal, as the attack vector is exposed remotely over the network and does not necessitate prior authentication or privileged access. Post-exploitation impact includes unauthorized retrieval of sensitive corporate and employee data stored within the payroll database, potential escalation of privileges, and full control over the database architecture dependent on database user permissions."
}