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

CVE-2026-39655 (GCVE-0-2026-39655)

Vulnerability from cvelistv5 – Published: 2026-05-26 06:50 – Updated: 2026-05-26 10:48
VLAI
Title
WordPress Mayosis Core plugin <= 5.4.7 - Broken Access Control vulnerability
Summary
Missing Authorization vulnerability in TeconceTheme Mayosis Core allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Mayosis Core: from n/a through 5.4.7.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 10:41 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
TeconceTheme Mayosis Core Affected: n/a , ≤ 5.4.7 (custom)
guessed Create a notification for this product.
Credits
João Pedro S Alcântara (Kinorth) | Patchstack Bug Bounty Program
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-39655",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-26T10:41:29.275648Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-26T10:48:10.546Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Mayosis Core",
          "vendor": "TeconceTheme",
          "versions": [
            {
              "lessThanOrEqual": "5.4.7",
              "status": "affected",
              "version": "n/a",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Jo\u00e3o Pedro S Alc\u00e2ntara (Kinorth) | Patchstack Bug Bounty Program"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Missing Authorization vulnerability in TeconceTheme Mayosis Core allows Exploiting Incorrectly Configured Access Control Security Levels.\u003cp\u003eThis issue affects Mayosis Core: from n/a through 5.4.7.\u003c/p\u003e"
            }
          ],
          "value": "Missing Authorization vulnerability in TeconceTheme Mayosis Core allows Exploiting Incorrectly Configured Access Control Security Levels.\n\nThis issue affects Mayosis Core: from n/a through 5.4.7."
        }
      ],
      "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": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862 Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-26T06:50:08.757Z",
        "orgId": "21595511-bba5-4825-b968-b78d1f9984a3",
        "shortName": "Patchstack"
      },
      "references": [
        {
          "tags": [
            "vdb-entry"
          ],
          "url": "https://patchstack.com/database/wordpress/plugin/mayosis-core/vulnerability/wordpress-mayosis-core-plugin-5-4-7-broken-access-control-vulnerability?_s_id=cve"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "WordPress Mayosis Core plugin \u003c= 5.4.7 - Broken Access Control vulnerability",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3",
    "assignerShortName": "Patchstack",
    "cveId": "CVE-2026-39655",
    "datePublished": "2026-05-26T06:50:08.757Z",
    "dateReserved": "2026-04-07T10:57:53.260Z",
    "dateUpdated": "2026-05-26T10:48:10.546Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-39655",
      "date": "2026-09-16",
      "epss": "0.00231",
      "percentile": "0.14136"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-39655\",\"sourceIdentifier\":\"audit@patchstack.com\",\"published\":\"2026-05-26T08:16:20.990\",\"lastModified\":\"2026-07-24T11:10:00.170\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Missing Authorization vulnerability in TeconceTheme Mayosis Core allows Exploiting Incorrectly Configured Access Control Security Levels.\\n\\nThis issue affects Mayosis Core: from n/a through 5.4.7.\"},{\"lang\":\"es\",\"value\":\"Vulnerabilidad de autorizaci\u00f3n faltante en TeconceTheme Mayosis Core permite la explotaci\u00f3n de niveles de seguridad de control de acceso configurados incorrectamente.\\n\\nEste problema afecta a Mayosis Core: desde n/a hasta 5.4.7.\"}],\"affected\":[{\"source\":\"audit@patchstack.com\",\"affectedData\":[{\"vendor\":\"TeconceTheme\",\"product\":\"Mayosis Core\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"n/a\",\"lessThanOrEqual\":\"5.4.7\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"audit@patchstack.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-05-26T10:41:29.275648Z\",\"id\":\"CVE-2026-39655\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"yes\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"audit@patchstack.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-862\"}]}],\"references\":[{\"url\":\"https://patchstack.com/database/wordpress/plugin/mayosis-core/vulnerability/wordpress-mayosis-core-plugin-5-4-7-broken-access-control-vulnerability?_s_id=cve\",\"source\":\"audit@patchstack.com\"}]}}",
    "redhat_vex": {
      "current_release_date": "2026-06-05T19:26:01+00:00",
      "cve": "CVE-2026-39655",
      "id": "CVE-2026-39655",
      "initial_release_date": "2026-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "WordPress Mayosis Core plugin \u003c= 5.4.7 - Broken Access Control vulnerability",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39655.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-39655\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-26T10:41:29.275648Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-26T10:48:05.993Z\"}}], \"cna\": {\"title\": \"WordPress Mayosis Core plugin \u003c= 5.4.7 - Broken Access Control vulnerability\", \"source\": {\"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"user\": \"00000000-0000-4000-9000-000000000000\", \"value\": \"Jo\\u00e3o Pedro S Alc\\u00e2ntara (Kinorth) | 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\": 5.3, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"TeconceTheme\", \"product\": \"Mayosis Core\", \"versions\": [{\"status\": \"affected\", \"version\": \"n/a\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"5.4.7\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://patchstack.com/database/wordpress/plugin/mayosis-core/vulnerability/wordpress-mayosis-core-plugin-5-4-7-broken-access-control-vulnerability?_s_id=cve\", \"tags\": [\"vdb-entry\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Missing Authorization vulnerability in TeconceTheme Mayosis Core allows Exploiting Incorrectly Configured Access Control Security Levels.\\n\\nThis issue affects Mayosis Core: from n/a through 5.4.7.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Missing Authorization vulnerability in TeconceTheme Mayosis Core allows Exploiting Incorrectly Configured Access Control Security Levels.\u003cp\u003eThis issue affects Mayosis Core: from n/a through 5.4.7.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-862\", \"description\": \"CWE-862 Missing Authorization\"}]}], \"providerMetadata\": {\"orgId\": \"21595511-bba5-4825-b968-b78d1f9984a3\", \"shortName\": \"Patchstack\", \"dateUpdated\": \"2026-05-26T06:50:08.757Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-39655\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-26T10:48:10.546Z\", \"dateReserved\": \"2026-04-07T10:57:53.260Z\", \"assignerOrgId\": \"21595511-bba5-4825-b968-b78d1f9984a3\", \"datePublished\": \"2026-05-26T06:50:08.757Z\", \"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.