Meow Gallery <= 5.5.4 - Missing Authorization to Authenticated (Author+) Information Disclosure via fetch_posts REST Endpoint

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-13747",
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "dateUpdated": "2026-10-30T17:26:22.628Z",
    "dateReserved": "2026-06-29T15:47:46.913Z",
    "datePublished": "2026-10-30T17:15:25.089Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence",
        "dateUpdated": "2026-10-30T17:15:25.089Z"
      },
      "title": "Meow Gallery <= 5.5.4 - Missing Authorization to Authenticated (Author+) Information Disclosure via fetch_posts REST Endpoint",
      "descriptions": [
        {
          "lang": "en",
          "value": "The Meow Gallery plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 5.5.4 This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with author-level access and above, to enumerate and read metadata — including post ID, title, date, author, and status — of all private and draft posts on the site, including those authored by other users."
        }
      ],
      "affected": [
        {
          "vendor": "tigroumeow",
          "product": "Meow Gallery",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "5.5.4"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-862 Missing Authorization",
              "cweId": "CWE-862",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/1f35d2c6-b631-40ba-b92a-972a891d4623?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/meow-gallery/tags/5.5.1/classes/rest.php#L622"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/meow-gallery/tags/5.5.1/classes/rest.php#L123"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/meow-gallery/tags/5.5.1/classes/core.php#L77"
        },
        {
          "url": "https://plugins.trac.wordpress.org/changeset?old_path=/meow-gallery/tags/5.5.4&new_path=/meow-gallery/tags/5.5.5"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM"
          }
        }
      ],
      "timeline": [
        {
          "time": "2026-06-29T16:02:55.000Z",
          "lang": "en",
          "value": "Vendor Notified"
        },
        {
          "time": "2026-10-30T15:46:36.000Z",
          "lang": "en",
          "value": "Disclosed"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Wordfence PRISM",
          "type": "finder"
        }
      ]
    },
    "adp": [
      {
        "providerMetadata": {
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP",
          "dateUpdated": "2026-10-30T17:26:22.628Z"
        },
        "title": "CISA ADP Vulnrichment",
        "metrics": [
          {}
        ]
      }
    ]
  }
}