WordPress Simply Schedule Appointments plugin <= 1.6.12.35 - Insecure Direct Object References (IDOR) vulnerability

{
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  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-110381",
    "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3",
    "assignerShortName": "Patchstack",
    "dateUpdated": "2026-10-15T17:49:08.502Z",
    "dateReserved": "2026-10-14T00:22:17.449Z",
    "datePublished": "2026-10-15T17:48:07.069Z",
    "state": "PUBLISHED"
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        "dateUpdated": "2026-10-15T17:49:08.502Z"
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      "datePublic": "2026-10-15T17:47:00.000Z",
      "title": "WordPress Simply Schedule Appointments plugin <= 1.6.12.35 - Insecure Direct Object References (IDOR) vulnerability",
      "descriptions": [
        {
          "lang": "en",
          "value": "Authorization Bypass Through User-Controlled Key vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Simply Schedule Appointments: from n/a through 1.6.12.35.",
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              "value": "Authorization Bypass Through User-Controlled Key vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Exploiting Incorrectly Configured Access Control Security Levels.<p>This issue affects Simply Schedule Appointments: from n/a through 1.6.12.35.</p>"
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      "affected": [
        {
          "vendor": "NSquared",
          "product": "Simply Schedule Appointments",
          "collectionURL": "https://wordpress.org/plugins",
          "packageName": "simply-schedule-appointments",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "1.6.12.35"
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      "problemTypes": [
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              "lang": "en",
              "description": "Authorization Bypass Through User-Controlled Key",
              "cweId": "CWE-639",
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      "references": [
        {
          "url": "https://patchstack.com/database/wordpress/plugin/simply-schedule-appointments/vulnerability/wordpress-simply-schedule-appointments-plugin-1-6-12-35-insecure-direct-object-references-idor-vulnerability?_s_id=cve",
          "tags": [
            "vdb-entry"
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      "impacts": [
        {
          "capecId": "CAPEC-180",
          "descriptions": [
            {
              "lang": "en",
              "value": "Exploiting Incorrectly Configured Access Control Security Levels"
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          ]
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            "attackVector": "NETWORK",
            "attackComplexity": "LOW",
            "privilegesRequired": "LOW",
            "userInteraction": "NONE",
            "scope": "UNCHANGED",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "availabilityImpact": "LOW",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM"
          }
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Update the WordPress Simply Schedule Appointments plugin to the latest available version (at least 1.6.12.37).",
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          "value": "ssophiz | Patchstack Bug Bounty Program",
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