GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2026-65463 (GCVE-0-2026-65463)

Vulnerability from cvelistv5 – Published: 2026-07-23 11:18 – Updated: 2026-07-23 13:29
VLAI
Title
WordPress Masteriyo - LMS plugin <= 2.3.1 - Insecure Direct Object References (IDOR) vulnerability
Summary
Subscriber Insecure Direct Object References (IDOR) in Masteriyo - LMS <= 2.3.1 versions.
Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-23 13:29 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
Vendor Product Version CPE status
masteriyo Masteriyo - LMS Affected: n/a , ≤ 2.3.1 (custom)
guessed Create a notification for this product.
Credits
Celvex Group | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-65463",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-23T13:29:23.318940Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-23T13:29:30.902Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected",
          "packageName": "learning-management-system",
          "product": "Masteriyo - LMS",
          "vendor": "masteriyo",
          "versions": [
            {
              "changes": [
                {
                  "at": "2.3.2",
                  "status": "unaffected"
                }
              ],
              "lessThanOrEqual": "2.3.1",
              "status": "affected",
              "version": "n/a",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Celvex Group | Patchstack Bug Bounty Program"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Subscriber Insecure Direct Object References (IDOR) in Masteriyo - LMS \u003c= 2.3.1 versions."
            }
          ],
          "value": "Subscriber Insecure Direct Object References (IDOR) in Masteriyo - LMS \u003c= 2.3.1 versions."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-180",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-639",
              "description": "CWE-639 Authorization Bypass Through User-Controlled Key",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-23T11:18:41.468Z",
        "orgId": "21595511-bba5-4825-b968-b78d1f9984a3",
        "shortName": "Patchstack"
      },
      "references": [
        {
          "tags": [
            "vdb-entry"
          ],
          "url": "https://patchstack.com/database/wordpress/plugin/learning-management-system/vulnerability/wordpress-masteriyo-lms-plugin-2-3-1-insecure-direct-object-references-idor-vulnerability?_s_id=cve"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Update the WordPress Masteriyo - LMS Plugin to the latest available version (at least 2.3.2)."
            }
          ],
          "value": "Update the WordPress Masteriyo - LMS Plugin to the latest available version (at least 2.3.2)."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "WordPress Masteriyo - LMS plugin \u003c= 2.3.1 - Insecure Direct Object References (IDOR) vulnerability",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3",
    "assignerShortName": "Patchstack",
    "cveId": "CVE-2026-65463",
    "datePublished": "2026-07-23T11:18:41.468Z",
    "dateReserved": "2026-07-22T08:53:23.246Z",
    "dateUpdated": "2026-07-23T13:29:30.902Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-65463",
      "date": "2026-09-16",
      "epss": "0.00287",
      "percentile": "0.21317"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-65463\",\"sourceIdentifier\":\"audit@patchstack.com\",\"published\":\"2026-07-23T12:18:38.850\",\"lastModified\":\"2026-07-23T14:17:49.290\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Subscriber Insecure Direct Object References (IDOR) in Masteriyo - LMS \u003c= 2.3.1 versions.\"}],\"affected\":[{\"source\":\"audit@patchstack.com\",\"affectedData\":[{\"vendor\":\"masteriyo\",\"product\":\"Masteriyo - LMS\",\"defaultStatus\":\"unaffected\",\"collectionURL\":\"https://wordpress.org/plugins\",\"packageName\":\"learning-management-system\",\"versions\":[{\"version\":\"n/a\",\"lessThanOrEqual\":\"2.3.1\",\"versionType\":\"custom\",\"status\":\"affected\",\"changes\":[{\"at\":\"2.3.2\",\"status\":\"unaffected\"}]}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"audit@patchstack.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L\",\"baseScore\":5.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.8,\"impactScore\":2.5}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-07-23T13:29:23.318940Z\",\"id\":\"CVE-2026-65463\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"audit@patchstack.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-639\"}]}],\"references\":[{\"url\":\"https://patchstack.com/database/wordpress/plugin/learning-management-system/vulnerability/wordpress-masteriyo-lms-plugin-2-3-1-insecure-direct-object-references-idor-vulnerability?_s_id=cve\",\"source\":\"audit@patchstack.com\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-65463\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-07-23T13:29:23.318940Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-07-23T13:29:26.795Z\"}}], \"cna\": {\"title\": \"WordPress Masteriyo - LMS plugin \u003c= 2.3.1 - Insecure Direct Object References (IDOR) vulnerability\", \"source\": {\"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"user\": \"00000000-0000-4000-9000-000000000000\", \"value\": \"Celvex Group | Patchstack Bug Bounty Program\"}], \"impacts\": [{\"capecId\": \"CAPEC-180\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.4, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"LOW\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"masteriyo\", \"product\": \"Masteriyo - LMS\", \"versions\": [{\"status\": \"affected\", \"changes\": [{\"at\": \"2.3.2\", \"status\": \"unaffected\"}], \"version\": \"n/a\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"2.3.1\"}], \"packageName\": \"learning-management-system\", \"collectionURL\": \"https://wordpress.org/plugins\", \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Update the WordPress Masteriyo - LMS Plugin to the latest available version (at least 2.3.2).\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Update the WordPress Masteriyo - LMS Plugin to the latest available version (at least 2.3.2).\", \"base64\": false}]}], \"references\": [{\"url\": \"https://patchstack.com/database/wordpress/plugin/learning-management-system/vulnerability/wordpress-masteriyo-lms-plugin-2-3-1-insecure-direct-object-references-idor-vulnerability?_s_id=cve\", \"tags\": [\"vdb-entry\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Subscriber Insecure Direct Object References (IDOR) in Masteriyo - LMS \u003c= 2.3.1 versions.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Subscriber Insecure Direct Object References (IDOR) in Masteriyo - LMS \u003c= 2.3.1 versions.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-639\", \"description\": \"CWE-639 Authorization Bypass Through User-Controlled Key\"}]}], \"providerMetadata\": {\"orgId\": \"21595511-bba5-4825-b968-b78d1f9984a3\", \"shortName\": \"Patchstack\", \"dateUpdated\": \"2026-07-23T11:18:41.468Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-65463\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-07-23T13:29:30.902Z\", \"dateReserved\": \"2026-07-22T08:53:23.246Z\", \"assignerOrgId\": \"21595511-bba5-4825-b968-b78d1f9984a3\", \"datePublished\": \"2026-07-23T11:18:41.468Z\", \"assignerShortName\": \"Patchstack\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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

Author Source Type Date Other

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.