Vulnerability-Lookup

CVE-2026-78466 (GCVE-0-2026-78466)

Vulnerability from cvelistv5 – Published: 2026-08-25 05:31 – Updated: 2026-08-26 16:39

** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2026-78278. Reason: This candidate is a reservation duplicate of CVE-2026-78278. Notes: All CVE users should reference CVE-2026-78278 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage.

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{
  "containers": {
    "cna": {
      "providerMetadata": {
        "dateUpdated": "2026-08-26T16:39:13.200Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "rejectedReasons": [
        {
          "lang": "en",
          "value": "** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2026-78278. Reason: This candidate is a reservation duplicate of CVE-2026-78278. Notes: All CVE users should reference CVE-2026-78278 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage."
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2026-78466",
    "datePublished": "2026-08-25T05:31:28.620Z",
    "dateRejected": "2026-08-26T16:39:13.200Z",
    "dateReserved": "2026-08-24T16:32:17.654Z",
    "dateUpdated": "2026-08-26T16:39:13.200Z",
    "state": "REJECTED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-78466",
      "date": "2026-08-26",
      "epss": "0.00161",
      "percentile": "0.05532"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-78466\",\"sourceIdentifier\":\"security@wordfence.com\",\"published\":\"2026-08-25T06:19:00.227\",\"lastModified\":\"2026-09-03T05:13:15.143\",\"vulnStatus\":\"Rejected\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2026-78278. Reason: This candidate is a reservation duplicate of CVE-2026-78278. Notes: All CVE users should reference CVE-2026-78278 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage.\"}],\"metrics\":{},\"references\":[]}}"
  }
}

FKIE_CVE-2026-78466

Vulnerability from fkie_nvd - Published: 2026-08-25 06:19 - Updated: 2026-08-26 16:19

Severity

4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Summary

The Fluent Boards Pro plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.0.11 due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action.

References

	URL	Tags
	security@wordfence.com	https://fluentboards.com/
	security@wordfence.com	https://www.wordfence.com/threat-intel/vulnerabilities/id/bec19d80-ba51-4ff8-a111-c2e45928fb51?source=cve

Impacted products

	Vendor	Product	Version

JSON

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{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Fluent Boards Pro",
          "vendor": "Fluent Boars",
          "versions": [
            {
              "lessThanOrEqual": "2.0.11",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@wordfence.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Fluent Boards Pro plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.0.11 due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action."
    }
  ],
  "id": "CVE-2026-78466",
  "lastModified": "2026-08-26T16:19:05.917",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "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:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "security@wordfence.com",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-08-25T06:19:00.227",
  "references": [
    {
      "source": "security@wordfence.com",
      "url": "https://fluentboards.com/"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/bec19d80-ba51-4ff8-a111-c2e45928fb51?source=cve"
    }
  ],
  "sourceIdentifier": "security@wordfence.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-639"
        }
      ],
      "source": "security@wordfence.com",
      "type": "Primary"
    }
  ]
}

GHSA-4FW5-P7GJ-MC87

Vulnerability from github – Published: 2026-08-25 06:31 – Updated: 2026-08-25 06:31

Details

Severity

4.3 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-78466"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-639"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-25T06:19:00Z",
    "severity": "MODERATE"
  },
  "details": "The Fluent Boards Pro plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.0.11 due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action.",
  "id": "GHSA-4fw5-p7gj-mc87",
  "modified": "2026-08-25T06:31:32Z",
  "published": "2026-08-25T06:31:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-78466"
    },
    {
      "type": "WEB",
      "url": "https://fluentboards.com"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/bec19d80-ba51-4ff8-a111-c2e45928fb51?source=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/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.

Action not permitted

CVE-2026-78466 (GCVE-0-2026-78466)

FKIE_CVE-2026-78466

GHSA-4FW5-P7GJ-MC87

Tags

Sightings

Nomenclature