All vulnerabilities
CVE-2026-103115

OS4ED openSIS-Classic Student Search CustomFieldsFnc.php sql injection

OS4ED openSIS-Classic
Open in ThreatlineRecord JSON
CVSS
5.3Medium
ExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 2 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.25%Chance of exploitation activity in the next 30 days, higher than 15% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published30 Sep 2026Updated 2 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

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.

Text from CVE List

Affected versions 4

  • openSIS-Classicaffected: 9.0CVE List
  • openSIS-Classicaffected: 9.1CVE List
  • openSIS-Classicaffected: 9.2CVE List
  • openSIS-Classicaffected: 9.3CVE List

References 6