High severity7.3NVD Advisory· Published Feb 26, 2026· Updated Apr 29, 2026

CVE-2026-3261

Description

A flaw has been found in itsourcecode School Management System 1.0. This impacts an unknown function of the file /settings/index.php of the component Setting Handler. This manipulation of the argument ID causes sql injection. The attack may be initiated remotely. The exploit has been published and may be used.

Affected products

Itsourcecode/School Management System
cpe:2.3:a:itsourcecode:school_management_system:1.0:*:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

github.com/Ning-BJ/cve/issues/1nvdExploitIssue TrackingMitigationThird Party Advisory
vuldb.comnvdThird Party AdvisoryVDB Entry
vuldb.comnvdThird Party AdvisoryVDB Entry
itsourcecode.comnvdProduct
vuldb.comnvdPermissions RequiredVDB Entry

News mentions

No linked articles in our index yet.

Severity

HighCVSS v3.1

7.3/ 10

CVSS v45.5

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack vector: Network
Complexity: Low
Privileges: None
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: Low

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS

Probability of exploitation in the next 30 days.

0.05%

VYPR risk score

Composite of severity, exploitation, and reach.

0.47medium

cvss	0.474
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-74
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-89
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CVE ID

CVE-2026-3261