CVE-2026-82845

{
  "etk_id": "ETK-2026-4309",
  "cve_id": "CVE-2026-82845",
  "display_id": "CVE-2026-82845",
  "ghsa_id": "GHSA-mv63-gmf8-5x76",
  "euvd_id": "EUVD-2026-76787",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unsafe deserialization in Masteriyo LMS",
  "summary": "Masteriyo LMS versions before 3.4.1 deserialize attacker-controlled metadata unsafely. An unauthenticated attacker may be able to write files, while an attacker with a minimal account may be able to run code on the WordPress server.",
  "mitigation": "Upgrade Masteriyo LMS to version 3.4.1 or later. Until upgraded, restrict access to the affected WordPress site and review low-privilege accounts.",
  "vendor": "TechMasteriyo",
  "product": "Masteriyo LMS",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 3.4.1"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "3.4.1"
      ],
      "package_name": "Masteriyo LMS",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 9.9,
  "cvss_src": "other",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
  "epss_score": null,
  "epss_percentile": null,
  "epss_asof": null,
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 44.352256616666665,
  "t0_at": "2026-09-12T06:00:09.956000+00:00",
  "signals": {
    "check": {
      "at": "2026-11-12T20:28:11.142436+00:00",
      "days": 61.602791509675924,
      "is_lower_bound": false,
      "measured_at": "2026-09-12T06:00:09.956000+00:00",
      "url": null
    },
    "kev": {
      "at": "2026-11-12T00:00:00+00:00",
      "days": 61,
      "is_lower_bound": false,
      "measured_at": "2026-09-12T06:00:09.956000+00:00",
      "precision": "day",
      "url": "https://vulncheck.com/cve/CVE-2026-82845"
    },
    "public_poc": {
      "at": "2026-09-12T06:00:09.956000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-09-12T06:00:09.956000+00:00",
      "url": "https://wpscan.com/vulnerability/5ced30ea-8b78-495f-b10c-42b3f10adcb3/"
    },
    "trigger_signal": {
      "at": "2026-11-12T00:00:00+00:00",
      "days": 60.74988476851852,
      "is_lower_bound": false,
      "measured_at": "2026-09-12T06:00:09.956000+00:00",
      "url": "https://vulncheck.com/cve/CVE-2026-82845"
    }
  }
}