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CVE-2026-9767

MEDIUM 6.5 CVSS 3.1
Published
August 16, 2026
Last modified
August 20, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-89
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Description

The The School Management – Education & Learning ERP plugin for WordPress is vulnerable to generic SQL Injection via 'order[0][dir]' Parameter in all versions up to, and including, 5.4 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with custom-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. This vulnerability is replicated across seven or more AJAX handlers including wlsm-fetch-staff-classes, wlsm-fetch-notices, wlsm-fetch-subjects, wlsm-fetch-inquiries, wlsm-fetch-staff-employee, and wlsm-fetch-payments, and the missing nonce verification on several of these handlers also enables CSRF-chained exploitation.

Affected WordPress components

  • The School Management – Education & Learning ERP Plugin · school-management-system
    Confirmed match Active
    Up to and including 5.4
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • weblizar The School Management – Education & Learning ERP — Up to and including 5.4

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.3/admin/inc/school/staff/class/WLSM_Staff_Class.php#L160
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.3/admin/inc/school/staff/class/WLSM_Staff_Class.php#L49
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.3/admin/inc/school/staff/class/WLSM_Staff_Class.php#L51
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.3/admin/inc/school/staff/class/WLSM_Staff_Class.php#L558
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.3/admin/inc/school/staff/class/WLSM_Staff_Class.php#L82
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.4/admin/inc/school/staff/class/WLSM_Staff_Class.php#L160
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.4/admin/inc/school/staff/class/WLSM_Staff_Class.php#L49
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.4/admin/inc/school/staff/class/WLSM_Staff_Class.php#L51
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.4/admin/inc/school/staff/class/WLSM_Staff_Class.php#L558
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.4/admin/inc/school/staff/class/WLSM_Staff_Class.php#L82
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3570107%40school-management-system&new=3570107%40school-management-system
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/c3f0ff27-49d7-4aa0-aa00-2853eadecddb?source=cve
  • nvd.nist.gov Official NVD record