CVE-2026-3261CRITICAL 9.8EPSS p24.2%

CVE-2026-3261CVE-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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.33% probability of exploitation · percentile 24.2% · 2026-06-19T12:03:05Z
Published2026-02-26
Last modified2026-04-29

Underlying weaknesses· 2

CWE-74CWE-89

References

  1. https://github.com/Ning-BJ/cve/issues/1
  2. https://itsourcecode.com/
  3. https://vuldb.com/?ctiid.347984
  4. https://vuldb.com/?id.347984
  5. https://vuldb.com/?submit.749364

2

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')cwe-740%live
WeaknessImproper Neutralization of Special Elements used in an SQL Command ('SQL Injection')cwe-890%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.