CVE-2026-9573: Student Transcript Processing SQLi Flaw

CVE-2026-9573 Overview

CVE-2026-9573 is a SQL injection vulnerability in itsourcecode Student Transcript Processing System 1.0. The flaw resides in /admin/modules/student/index.php?view=view, where the studentId parameter is passed directly into a database query without proper sanitization. Attackers can manipulate this parameter to execute arbitrary SQL statements against the backend database.

The vulnerability is exploitable remotely over the network without authentication or user interaction. A public exploit is referenced in the disclosure, increasing the likelihood of opportunistic attacks against exposed installations. The issue is categorized under [CWE-74] (Improper Neutralization of Special Elements in Output Used by a Downstream Component).

Critical Impact

Unauthenticated remote attackers can inject arbitrary SQL through the studentId parameter, leading to disclosure or modification of student transcript data.

Affected Products

• itsourcecode Student Transcript Processing System 1.0
• Admin module component /admin/modules/student/index.php
• Deployments exposing the admin interface over a network

Discovery Timeline

• 2026-05-26 - CVE-2026-9573 published to NVD
• 2026-05-27 - Last updated in NVD database

Technical Details for CVE-2026-9573

Vulnerability Analysis

The vulnerability exists in the student view handler within the admin module of the Student Transcript Processing System. When a request is made to /admin/modules/student/index.php?view=view, the application reads the studentId argument from the HTTP request and incorporates it into a SQL query without parameterization or input validation.

An attacker can supply crafted SQL syntax in studentId to break out of the intended query context. This permits arbitrary query execution against the underlying database, including data extraction, modification, or schema enumeration. The attack surface is reachable remotely and requires no prior credentials according to the disclosure.

Root Cause

The root cause is improper neutralization of user-controlled input passed to a downstream SQL interpreter. The application concatenates the studentId value directly into a SQL statement rather than using prepared statements or bound parameters. This pattern aligns with [CWE-74] injection class weaknesses.

Attack Vector

Exploitation requires sending a crafted HTTP request to the vulnerable endpoint with a manipulated studentId parameter. The attacker does not need authentication or user interaction. Because the exploit is referenced publicly through VulDB and a GitHub issue tracker, attackers can adapt existing payloads against exposed instances. Refer to the VulDB Vulnerability #365632 and GitHub Issue Tracker for technical details.

Detection Methods for CVE-2026-9573

Indicators of Compromise

• HTTP requests targeting /admin/modules/student/index.php?view=view with non-numeric or SQL meta-characters in the studentId parameter
• Web server access log entries containing URL-encoded SQL keywords such as UNION, SELECT, SLEEP, or OR 1=1 in studentId
• Unexpected database error messages returned in HTTP responses from the admin module

Detection Strategies

• Inspect web server and application logs for malformed studentId values, particularly those containing quotes, comments (--, #), or boolean tautologies
• Deploy a Web Application Firewall (WAF) rule that blocks SQL injection patterns on the affected endpoint
• Monitor database query logs for anomalous queries originating from the transcript application, such as queries against information_schema or system tables

Monitoring Recommendations

• Alert on repeated 500-series HTTP responses from /admin/modules/student/index.php, which may indicate injection probing
• Correlate web requests with database session activity to detect unusual query volumes tied to the admin module
• Track outbound network connections from the database host that could indicate exfiltration following successful injection

How to Mitigate CVE-2026-9573

Immediate Actions Required

• Restrict network access to the /admin/ path using IP allowlisting, VPN, or authentication proxy until a vendor fix is available
• Audit existing transcript records and database accounts for unauthorized modifications
• Rotate database credentials used by the application if logs indicate exploitation attempts

Patch Information

No vendor patch is referenced in the published advisory. Operators should monitor the IT Source Code project page and the VulDB Vulnerability #365632 entry for updated remediation guidance. Until a fix is released, apply compensating controls listed below.

Workarounds

• Implement server-side input validation enforcing a strict numeric type for studentId before any database call
• Refactor the affected query to use prepared statements with bound parameters in PHP (for example, PDO with bindParam)
• Deploy WAF signatures that block SQL meta-characters on the studentId parameter for the vulnerable endpoint
• Run the application database account with least privilege, removing rights to schema and administrative tables

# Example ModSecurity rule blocking SQLi patterns on the vulnerable parameter
SecRule ARGS:studentId "@rx (?i)(union(\s|/\*.*\*/)+select|select.+from|sleep\s*\(|or\s+1=1|--|#|;)" \
    "id:1009573,phase:2,deny,status:403,log,msg:'CVE-2026-9573 SQLi attempt on studentId'"