Vulnerability-Lookup

CVE-2026-92435 (GCVE-0-2026-92435)

Vulnerability from cvelistv5 – Published: 2026-09-19 06:00 – Updated: 2026-09-19 13:16

Title

Mailchimp for WooCommerce < 6.1.1 - Unauthenticated Broken Access Control in REST API

Summary

The Mailchimp for WooCommerce WordPress plugin before 6.1.1 does not verify that the requesting user holds the required capability in the permission callback for several of its REST API routes, allowing unauthenticated users to reach administrator-oriented endpoints and trigger a persistent state change.

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 2026-09-19 13:10 UTC

CWE

CWE-862 Missing Authorization
CWE-862 - Missing Authorization

Assigner

WPScan mitre root

References

1 reference

URL	Tags
https://wpscan.com/vulnerability/4b3f9c83-8986-40…	exploitvdb-entrytechnical-description

Impacted products

1 product

Vendor	Product	Version	CPE status
Unknown	Mailchimp for WooCommerce	Affected: 0 , < 6.1.1 (semver)	guessed

Credits

Pablo González and Francisco José Ramírez WPScan

Show details on NVD website

JSON

To clipboard

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              "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",
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          "dateUpdated": "2026-09-19T13:16:26.790Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
      }
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    "cna": {
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          "vendor": "Unknown",
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        }
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      "providerMetadata": {
        "dateUpdated": "2026-09-19T06:00:18.775Z",
        "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
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      "references": [
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          "url": "https://wpscan.com/vulnerability/4b3f9c83-8986-40d9-ab1a-848550ea7882/"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Mailchimp for WooCommerce \u003c 6.1.1 - Unauthenticated Broken Access Control in REST API",
      "x_generator": {
        "engine": "WPScan CVE Generator"
      }
    }
  },
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    "datePublished": "2026-09-19T06:00:18.775Z",
    "dateReserved": "2026-09-16T10:14:50.138Z",
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    "state": "PUBLISHED"
  },
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      "percentile": "0.03436"
    },
    "nvd": {
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                "defaultStatus": "unaffected",
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                "vendor": "Unknown",
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                  {
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                    "status": "affected",
                    "version": "0",
                    "versionType": "semver"
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        "descriptions": [
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            "lang": "en",
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          }
        ],
        "id": "CVE-2026-92435",
        "lastModified": "2026-09-19T14:17:05.680",
        "metrics": {
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                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
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              }
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        },
        "published": "2026-09-19T07:16:34.333",
        "references": [
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            "url": "https://wpscan.com/vulnerability/4b3f9c83-8986-40d9-ab1a-848550ea7882/"
          }
        ],
        "sourceIdentifier": "contact@wpscan.com",
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        "weaknesses": [
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    }
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}

GHSA-QC48-4X35-WH3C

Vulnerability from github – Published: 2026-09-19 09:32 – Updated: 2026-09-19 15:31

Details

Severity

5.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-92435"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-19T07:16:34Z",
    "severity": "MODERATE"
  },
  "details": "The Mailchimp for WooCommerce WordPress plugin before 6.1.1 does not verify that the requesting user holds the required capability in the permission callback for several of its REST API routes, allowing unauthenticated users to reach administrator-oriented endpoints and trigger a persistent state change.",
  "id": "GHSA-qc48-4x35-wh3c",
  "modified": "2026-09-19T15:31:22Z",
  "published": "2026-09-19T09:32:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-92435"
    },
    {
      "type": "WEB",
      "url": "https://wpscan.com/vulnerability/4b3f9c83-8986-40d9-ab1a-848550ea7882"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.