CVE-2026-103115

OS4ED openSIS-Classic Student Search CustomFieldsFnc.php sql injection

MEDIUM
6.3
CVSS Score
Published: September 30, 2026 at 12:15 PM UTC
Updated: October 2, 2026 at 05:17 PM UTC
1 product affected across 1 vendorOpensis

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

A security flaw has been discovered in OS4ED openSIS-Classic up to 9.3. This affects an unknown function of the file functions/CustomFieldsFnc.php of the component Student Search. The manipulation of the argument cust results in sql injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/411871
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/411871/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-103115
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/954961
ExploitIssue Tracking
Source: cverecord
https://github.com/OS4ED/openSIS-Classic/issues/475

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-89CWE-74

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