CVE-2026-88849

{
  "etk_id": "ETK-2026-2406",
  "cve_id": "CVE-2026-88849",
  "display_id": "CVE-2026-88849",
  "ghsa_id": "GHSA-x2jm-76mq-q2pc",
  "euvd_id": "EUVD-2026-108019",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Improper authorization in MasterStudy LMS WordPress Plugin",
  "summary": "MasterStudy LMS WordPress Plugin versions before 3.7.55 have an authorization flaw in student enrolment handling. An authenticated user assigned the Instructor role may modify name and display-name fields of other site accounts, which can support account impersonation or phishing. Exploitation requires an Instructor-role account.",
  "mitigation": "Update MasterStudy LMS WordPress Plugin to version 3.7.55 or later. Restrict assignment of the Instructor role until all affected sites are upgraded.",
  "vendor": null,
  "product": "MasterStudy LMS WordPress Plugin",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 3.7.13, < 3.7.55"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "3.7.55"
      ],
      "package_name": "MasterStudy LMS WordPress Plugin",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": null,
  "cvss_src": null,
  "cvss_vector": null,
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 32.516516083333336,
  "t0_at": "2026-10-22T06:00:18.654000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-22T08:46:19.131475+00:00",
      "days": 0.1152833041087963,
      "is_lower_bound": false,
      "measured_at": "2026-10-22T06:00:18.654000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-22T06:00:18.654000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-22T06:00:18.654000+00:00",
      "url": "https://github.com/advisories/GHSA-x2jm-76mq-q2pc"
    }
  }
}