Vulnerability-Lookup

GHSA-W35P-GJC5-2G6R

Vulnerability from github – Published: 2026-02-18 18:30 – Updated: 2026-02-18 18:30

Details

The Booking Calendar plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 10.14.14 via the handle_ajax_save function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, and booking permissions granted by an Administrator, to modify other users' plugin settings, such as booking calendar display options, which can disrupt the booking calendar functionality for the targeted user.

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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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-2230"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-639"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-18T17:21:36Z",
    "severity": "MODERATE"
  },
  "details": "The Booking Calendar plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 10.14.14 via the handle_ajax_save function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, and booking permissions granted by an Administrator, to modify other users\u0027 plugin settings, such as booking calendar display options, which can disrupt the booking calendar functionality for the targeted user.",
  "id": "GHSA-w35p-gjc5-2g6r",
  "modified": "2026-02-18T18:30:40Z",
  "published": "2026-02-18T18:30:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2230"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/booking/trunk/includes/save-user-meta/save-user-meta.php#L90"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/changeset/3456856"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/60f7df44-22f9-4a9e-a20c-4b8628674079?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"
    }
  ]
}

CVE-2026-2230 (GCVE-0-2026-2230)

Vulnerability from cvelistv5 – Published: 2026-02-18 16:28 – Updated: 2026-04-08 16:56

Title

Booking Calendar <= 10.14.14 - Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary User Settings Modification

Summary

Severity

4.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-18 19:21 UTC

CWE

CWE-639 - Authorization Bypass Through User-Controlled Key

Assigner

Wordfence mitre root

References

3 references

URL	Tags
https://www.wordfence.com/threat-intel/vulnerabil…
https://plugins.trac.wordpress.org/browser/bookin…
https://plugins.trac.wordpress.org/changeset/3456856/

Impacted products

1 product

Vendor	Product	Version
wpdevelop	Booking Calendar	Affected: 0 , ≤ 10.14.14 (semver)

Credits

Tarcísio Luchesi De Almeida Silva

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-2230",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-18T19:21:30.580962Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-18T19:25:03.914Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Booking Calendar",
          "vendor": "wpdevelop",
          "versions": [
            {
              "lessThanOrEqual": "10.14.14",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Tarc\u00edsio Luchesi De Almeida Silva"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Booking Calendar plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 10.14.14 via the handle_ajax_save function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Subscriber-level access and above, and booking permissions granted by an Administrator, to modify other users\u0027 plugin settings, such as booking calendar display options, which can disrupt the booking calendar functionality for the targeted user."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-639",
              "description": "CWE-639 Authorization Bypass Through User-Controlled Key",
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              "type": "CWE"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-08T16:56:42.711Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/60f7df44-22f9-4a9e-a20c-4b8628674079?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/booking/trunk/includes/save-user-meta/save-user-meta.php#L90"
        },
        {
          "url": "https://plugins.trac.wordpress.org/changeset/3456856/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-02-08T19:06:56.000Z",
          "value": "Vendor Notified"
        },
        {
          "lang": "en",
          "time": "2026-02-17T00:00:00.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "Booking Calendar \u003c= 10.14.14 - Insecure Direct Object Reference to Authenticated (Subscriber+) Arbitrary User Settings Modification"
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  },
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    "assignerShortName": "Wordfence",
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    "datePublished": "2026-02-18T16:28:14.595Z",
    "dateReserved": "2026-02-08T18:51:36.435Z",
    "dateUpdated": "2026-04-08T16:56:42.711Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

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.

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GHSA-W35P-GJC5-2G6R

CVE-2026-2230 (GCVE-0-2026-2230)

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Sightings

Nomenclature

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