CVE-2026-103116 Details
Description
A weakness has been identified in OS4ED openSIS-Classic up to 9.3. This impacts the function DBQuery of the file functions/GetStuListFnc.php of the component Student List Search Endpoint. This manipulation of the argument LO_sort causes sql injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
A SQL injection vulnerability has been identified in OS4ED openSIS-Classic versions through 9.3. The issue resides in the Student List Search Endpoint, specifically within the DBQuery function of the GetStuListFnc.php file. The vulnerability is triggered by manipulating the LO_sort argument, which is concatenated into the SQL query's ORDER BY clause without proper validation. This flaw allows for arbitrary SQL expressions to be executed, potentially leading to unauthorized data access. The vulnerability can be exploited remotely, and public proof-of-concept exploits are available.
It is recommended to validate and sanitize the LO_sort parameter before using it in the SQL query. Implementing a whitelist of allowed sort columns or using parameterized queries for the ORDER BY clause can effectively mitigate this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 30, 2026CISA-ADP
Assessed Sep 30, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/OS4ED/openSIS-Classic/ | [email protected] | Vendor |
| https://github.com/OS4ED/openSIS-Classic/issues/476 | [email protected] | ExploitIssue TrackingTechnical AnalysisVendor |
| https://vuldb.com/cve/CVE-2026-103116 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/954962 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/411872 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/411872/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-74 | Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') | [email protected] |
| CWE-89 | Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| OS4ED openSIS-Classic | <= 9.3 |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 30, 2026 | CVE Modified | CISA-ADP |
| Sep 30, 2026 | New CVE Received | [email protected] |