CVE-2026-9767 (GCVE-0-2026-9767)

Vulnerability from cvelistv5 – Published: 2026-08-16 05:27 – Updated: 2026-08-16 05:27
VLAI
Title
The School Management <= 5.4 - Authenticated (Custom+) SQL Injection via 'order[0][dir]' Parameter
Summary
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.
CWE
  • CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Assigner
Impacted products
Credits
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "The School Management \u2013 Education \u0026 Learning ERP",
          "vendor": "weblizar",
          "versions": [
            {
              "lessThanOrEqual": "5.4",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
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          "type": "finder",
          "value": "j4ck13ch4n"
        }
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          "value": "The The School Management \u2013 Education \u0026 Learning ERP plugin for WordPress is vulnerable to generic SQL Injection via \u0027order[0][dir]\u0027 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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-89",
              "description": "CWE-89 Improper Neutralization of Special Elements used in an SQL Command (\u0027SQL Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-16T05:27:31.050Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/c3f0ff27-49d7-4aa0-aa00-2853eadecddb?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.4/admin/inc/school/staff/class/WLSM_Staff_Class.php#L51"
        },
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          "url": "https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.4/admin/inc/school/staff/class/WLSM_Staff_Class.php#L49"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.4/admin/inc/school/staff/class/WLSM_Staff_Class.php#L82"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.4/admin/inc/school/staff/class/WLSM_Staff_Class.php#L160"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.4/admin/inc/school/staff/class/WLSM_Staff_Class.php#L558"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.3/admin/inc/school/staff/class/WLSM_Staff_Class.php#L51"
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          "url": "https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.3/admin/inc/school/staff/class/WLSM_Staff_Class.php#L49"
        },
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          "url": "https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.3/admin/inc/school/staff/class/WLSM_Staff_Class.php#L82"
        },
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          "url": "https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.3/admin/inc/school/staff/class/WLSM_Staff_Class.php#L160"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.3/admin/inc/school/staff/class/WLSM_Staff_Class.php#L558"
        },
        {
          "url": "https://plugins.trac.wordpress.org/changeset?reponame=\u0026old=3570107%40school-management-system\u0026new=3570107%40school-management-system"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-08-15T17:21:51.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "The School Management \u003c= 5.4 - Authenticated (Custom+) SQL Injection via \u0027order[0][dir]\u0027 Parameter"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2026-9767",
    "datePublished": "2026-08-16T05:27:31.050Z",
    "dateReserved": "2026-05-27T20:15:12.349Z",
    "dateUpdated": "2026-08-16T05:27:31.050Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-9767\",\"sourceIdentifier\":\"security@wordfence.com\",\"published\":\"2026-08-16T06:16:55.133\",\"lastModified\":\"2026-08-16T06:16:55.133\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The The School Management \u2013 Education \u0026 Learning ERP plugin for WordPress is vulnerable to generic SQL Injection via \u0027order[0][dir]\u0027 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\":[{\"source\":\"security@wordfence.com\",\"affectedData\":[{\"vendor\":\"weblizar\",\"product\":\"The School Management \u2013 Education \u0026 Learning ERP\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThanOrEqual\":\"5.4\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@wordfence.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"security@wordfence.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-89\"}]}],\"references\":[{\"url\":\"https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.3/admin/inc/school/staff/class/WLSM_Staff_Class.php#L160\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.3/admin/inc/school/staff/class/WLSM_Staff_Class.php#L49\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.3/admin/inc/school/staff/class/WLSM_Staff_Class.php#L51\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.3/admin/inc/school/staff/class/WLSM_Staff_Class.php#L558\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.3/admin/inc/school/staff/class/WLSM_Staff_Class.php#L82\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.4/admin/inc/school/staff/class/WLSM_Staff_Class.php#L160\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.4/admin/inc/school/staff/class/WLSM_Staff_Class.php#L49\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.4/admin/inc/school/staff/class/WLSM_Staff_Class.php#L51\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.4/admin/inc/school/staff/class/WLSM_Staff_Class.php#L558\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/browser/school-management-system/tags/5.4/admin/inc/school/staff/class/WLSM_Staff_Class.php#L82\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/changeset?reponame=\u0026old=3570107%40school-management-system\u0026new=3570107%40school-management-system\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://www.wordfence.com/threat-intel/vulnerabilities/id/c3f0ff27-49d7-4aa0-aa00-2853eadecddb?source=cve\",\"source\":\"security@wordfence.com\"}]}}"
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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