CVE-2026-3261

Name: CVE-2026-3261
Creator: NVD / NIST
Published: 2026-02-26T22:20:51.757+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.33%

Last modified Jun 17, 2026

CVE-2026-3261 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

CVSS 4.0

5.5/10

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

EPSS Probability

0.33%

24.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Itsourcecode	School Management System	1.0

References

https://github.com/Ning-BJ/cve/issues/1Exploit, Issue Tracking, Mitigation, Third Party Advisory
https://itsourcecode.com/Product
https://vuldb.com/?ctiid.347984Permissions Required, VDB Entry
https://vuldb.com/?id.347984Third Party Advisory, VDB Entry
https://vuldb.com/?submit.749364Third Party Advisory, VDB Entry

Timeline

Published: Feb 26, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-3261?

How severe is CVE-2026-3261?

CVE-2026-3261 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.

How do I fix CVE-2026-3261?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-3261?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST