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CVE-2026-0803: Low Vulnerability in PHPGurukul Online Course Registration System

A low-severity SQL injection vulnerability exists in PHPGurukul Online Course Registration System up to version 3.1, affecting file /enroll.php. Organizations should address this issue as it may allow remote attackers to manipulate data.

LOWCVSS 2.1 · Published January 9, 2026

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A vulnerability was found in PHPGurukul Online Course Registration System up to version 3.1. This affects an unknown part of the file /enroll.php. The manipulation of the argument studentregno/Pincode/session/department/level/course/sem results in SQL injection. The attack may be launched remotely. The exploit has been made public and could be used.

The vulnerability has been assigned a CVSS score of 2.1, categorizing it as low severity. Despite the low score, organizations should remain vigilant as SQL injection vulnerabilities can lead to significant data breaches and unauthorized access.

Risk to organizations includes potential data exposure and unauthorized data manipulation, which can have downstream effects on system integrity and trustworthiness. Organizations using the affected software should prioritize addressing this issue.

The urgency for defenders is moderate, as while the exploit is publicly known, the actual risk may vary based on the specific deployment and usage of the software. Organizations should schedule remediation to mitigate this vulnerability.

Vulnerability Details

A vulnerability was found in PHPGurukul Online Course Registration System up to version 3.1. This affects an unknown part of the file /enroll.php. The manipulation of the argument studentregno/Pincode/session/department/level/course/sem results in SQL injection. The attack may be launched remotely. The exploit has been made public and could be used.

The vulnerability is classified under CWE-89 (SQL Injection) and has a CVSS score of 2.1 according to CVSS version 4.0. The specific attack vector is network-based, and the attack complexity is low, requiring only low privileges and no user interaction.

Vulnerable products include the PHPGurukul Online Course Registration System. The vulnerability was published on January 9, 2026.

Technical Analysis

The root cause of this vulnerability lies in improper handling of user input in the /enroll.php file, which allows attackers to manipulate SQL queries. The attack vector is primarily network-based, enabling remote exploitation without the need for physical access.

The attack complexity is low, requiring only low privileges. No user interaction is necessary for exploitation. The confidentiality, integrity, and availability impact is rated as low, indicating that while the potential for data breaches exists, the actual impact may be limited.

Risk & Impact Analysis

Real-world deployment risk is present, especially for organizations using PHPGurukul Online Course Registration System in environments where sensitive data is processed. Attackers may leverage this vulnerability to access or manipulate data, potentially leading to reputational damage and compliance issues.

Organizations should consider the blast radius of this vulnerability. Given the low severity score, the immediate impact may be limited, but the potential for exploitation still poses a risk that must be managed.

Urgency for remediation is moderate. While the vulnerability is not critically severe, it is advisable to include it in the next patch cycle to avoid potential exploitation.

Exploitation Status

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

The vulnerability affects all versions of PHPGurukul Online Course Registration System prior to version 3.1.

Mitigation & Remediation

Organizations should ensure they upgrade to the latest version of PHPGurukul Online Course Registration System to mitigate this vulnerability. If immediate patching is not possible, consider implementing web application firewalls to filter SQL injection attempts and conduct regular security assessments.

Monitoring for unusual SQL queries or application behavior can help detect potential exploitation. Further, organizations can enhance their security posture with penetration testing services to identify misconfigurations and vulnerabilities.

Detection Guidance

To detect exploitation of this vulnerability, organizations should monitor logs for unusual SQL activity, analyze application responses for anomalies, and establish alerts for failed login attempts or unexpected changes in data.

AppSecure Threat Intelligence Insight

The long-term significance of this vulnerability lies in the persistent nature of SQL injection threats, which continue to be a common attack vector in web applications. Security teams must adopt a proactive approach to vulnerability management.

Organizations can benefit from implementing a comprehensive vulnerability management program to stay ahead of emerging threats.

Furthermore, regular security training for developers regarding secure coding practices can mitigate the risk of introducing similar vulnerabilities in the future. For instance, reviewing API security best practices can help in understanding the implications of input validation.

In conclusion, while CVE-2026-0803 is classified as low severity, it highlights the importance of vigilance in web application security. Regular assessments and adherence to security best practices are essential for maintaining a secure environment.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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