Vulnerability-Lookup

GHSA-G6WJ-GW42-4345

Vulnerability from github – Published: 2026-02-18 09:31 – Updated: 2026-02-18 09:31

Details

The YayMail – WooCommerce Email Customizer plugin for WordPress is vulnerable to unauthorized license key deletion due to a missing authorization check on the /yaymail-license/v1/license/delete REST endpoint in versions up to, and including, 4.3.2. This makes it possible for authenticated attackers, with Shop Manager-level access and above, to delete the plugin's license key via the '/yaymail-license/v1/license/delete' endpoint granted they can obtain the REST API nonce.

Severity ?

5.3 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-1938"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-18T08:16:15Z",
    "severity": "MODERATE"
  },
  "details": "The YayMail \u2013 WooCommerce Email Customizer plugin for WordPress is vulnerable to unauthorized license key deletion due to a missing authorization check on the `/yaymail-license/v1/license/delete` REST endpoint in versions up to, and including, 4.3.2. This makes it possible for authenticated attackers, with Shop Manager-level access and above, to delete the plugin\u0027s license key via the \u0027/yaymail-license/v1/license/delete\u0027 endpoint granted they can obtain the REST API nonce.",
  "id": "GHSA-g6wj-gw42-4345",
  "modified": "2026-02-18T09:31:04Z",
  "published": "2026-02-18T09:31:04Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-1938"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/yaymail/tags/4.3.2/src/License/RestAPI.php#L142"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/yaymail/trunk/src/License/RestAPI.php#L142"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/changeset/3460087"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/6ce57b12-2241-416b-b466-aa06ca8c7551?source=cve"
    }
  ],
  "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"
    }
  ]
}

CVE-2026-1938 (GCVE-0-2026-1938)

Vulnerability from cvelistv5 – Published: 2026-02-18 07:25 – Updated: 2026-02-18 12:52

Title

YayMail <= 4.3.2 - Missing Authorization to Authenticated (Shop Manager+) License Key Deletion via '/yaymail-license/v1/license/delete' Endpoint

Summary

The YayMail – WooCommerce Email Customizer plugin for WordPress is vulnerable to unauthorized license key deletion due to a missing authorization check on the `/yaymail-license/v1/license/delete` REST endpoint in versions up to, and including, 4.3.2. This makes it possible for authenticated attackers, with Shop Manager-level access and above, to delete the plugin's license key via the '/yaymail-license/v1/license/delete' endpoint granted they can obtain the REST API nonce.

Severity ?

5.3 (Medium)


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

CWE

CWE-862 - Missing Authorization

Assigner

Wordfence

References

URL

Tags

	https://www.wordfence.com/threat-intel/vulnerabil…
	https://plugins.trac.wordpress.org/browser/yaymai…
	https://plugins.trac.wordpress.org/browser/yaymai…
	https://plugins.trac.wordpress.org/changeset/3460087/

Impacted products

	Vendor	Product	Version
	yaycommerce	YayMail – WooCommerce Email Customizer	Affected: * , ≤ 4.3.2 (semver)

Credits

whizzu

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-1938",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-18T12:26:27.988345Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-18T12:52:25.936Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "YayMail \u2013 WooCommerce Email Customizer",
          "vendor": "yaycommerce",
          "versions": [
            {
              "lessThanOrEqual": "4.3.2",
              "status": "affected",
              "version": "*",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "whizzu"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The YayMail \u2013 WooCommerce Email Customizer plugin for WordPress is vulnerable to unauthorized license key deletion due to a missing authorization check on the `/yaymail-license/v1/license/delete` REST endpoint in versions up to, and including, 4.3.2. This makes it possible for authenticated attackers, with Shop Manager-level access and above, to delete the plugin\u0027s license key via the \u0027/yaymail-license/v1/license/delete\u0027 endpoint granted they can obtain the REST API nonce."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862 Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-18T07:25:40.480Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/6ce57b12-2241-416b-b466-aa06ca8c7551?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/yaymail/tags/4.3.2/src/License/RestAPI.php#L142"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/yaymail/trunk/src/License/RestAPI.php#L142"
        },
        {
          "url": "https://plugins.trac.wordpress.org/changeset/3460087/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-02-05T17:24:28.000Z",
          "value": "Vendor Notified"
        },
        {
          "lang": "en",
          "time": "2026-02-17T19:00:00.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "YayMail \u003c= 4.3.2 - Missing Authorization to Authenticated (Shop Manager+) License Key Deletion via \u0027/yaymail-license/v1/license/delete\u0027 Endpoint"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2026-1938",
    "datePublished": "2026-02-18T07:25:40.480Z",
    "dateReserved": "2026-02-04T21:22:11.865Z",
    "dateUpdated": "2026-02-18T12:52:25.936Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-G6WJ-GW42-4345

CVE-2026-1938 (GCVE-0-2026-1938)

Tags

Sightings

Nomenclature