{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-92798",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-18T11:07:46.822643Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-18T11:22:46.165Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "User Registration \u0026 Membership \u2013 Free \u0026 Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration \u0026 Login Builder",
          "vendor": "wpeverest",
          "versions": [
            {
              "lessThanOrEqual": "5.2.8",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Passakorn Yookindee"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The User Registration \u0026 Membership plugin for WordPress is vulnerable to Arbitrary Shortcode Execution in versions up to, and including, 5.2.8 This is due to insufficient input sanitization in the \u0027referrer_url\u0027 branch of UR_Smart_Tags::process(), where the attacker-controlled HTTP_REFERER header is only passed through sanitize_text_field() \u2014 which does not strip WordPress shortcode delimiters \u2014 before being substituted into a Content Restriction message that is subsequently executed via apply_shortcodes()/do_shortcode(). This makes it possible for unauthenticated attackers to execute arbitrary registered shortcodes on any restricted page whose message uses the supported {{referrer_url}} smart tag."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-94",
              "description": "CWE-94 Improper Control of Generation of Code (\u0027Code Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-17T03:43:31.068Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ec317df9-c7ef-49a3-9818-903dfe4bdd03?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/user-registration/tags/5.2.8/includes/class-ur-smart-tags.php#L475"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/user-registration/tags/5.2.8/includes/class-ur-smart-tags.php#L474"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/user-registration/tags/5.2.8/modules/content-restriction/class-urcr-frontend.php#L1383"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/user-registration/tags/5.2.8/modules/content-restriction/functions-urcr-core.php#L693"
        },
        {
          "url": "https://plugins.trac.wordpress.org/changeset/3741339/user-registration/trunk/includes/class-ur-smart-tags.php"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-09-16T19:59:06.000Z",
          "value": "Vendor Notified"
        },
        {
          "lang": "en",
          "time": "2026-10-16T14:42:54.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "User Registration \u0026 Membership \u003c= 5.2.8 - Authenticated (Subscriber+) Arbitrary Shortcode Execution via Referer Header via \u0027referrer_url\u0027 Smart Tag"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2026-92798",
    "datePublished": "2026-10-17T03:43:31.068Z",
    "dateReserved": "2026-09-16T19:44:13.265Z",
    "dateUpdated": "2026-10-18T11:22:46.165Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-92798\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-10-18T11:07:46.822643Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-10-18T11:15:18.347Z\"}}], \"cna\": {\"title\": \"User Registration \u0026 Membership \u003c= 5.2.8 - Authenticated (Subscriber+) Arbitrary Shortcode Execution via Referer Header via \u0027referrer_url\u0027 Smart Tag\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Passakorn Yookindee\"}], \"metrics\": [{\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 8.1, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N\"}}], \"affected\": [{\"vendor\": \"wpeverest\", \"product\": \"User Registration \u0026 Membership \\u2013 Free \u0026 Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration \u0026 Login Builder\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.2.8\"}], \"defaultStatus\": \"unaffected\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-09-16T19:59:06.000Z\", \"value\": \"Vendor Notified\"}, {\"lang\": \"en\", \"time\": \"2026-10-16T14:42:54.000Z\", \"value\": \"Disclosed\"}], \"references\": [{\"url\": \"https://www.wordfence.com/threat-intel/vulnerabilities/id/ec317df9-c7ef-49a3-9818-903dfe4bdd03?source=cve\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/user-registration/tags/5.2.8/includes/class-ur-smart-tags.php#L475\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/user-registration/tags/5.2.8/includes/class-ur-smart-tags.php#L474\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/user-registration/tags/5.2.8/modules/content-restriction/class-urcr-frontend.php#L1383\"}, {\"url\": \"https://plugins.trac.wordpress.org/browser/user-registration/tags/5.2.8/modules/content-restriction/functions-urcr-core.php#L693\"}, {\"url\": \"https://plugins.trac.wordpress.org/changeset/3741339/user-registration/trunk/includes/class-ur-smart-tags.php\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"The User Registration \u0026 Membership plugin for WordPress is vulnerable to Arbitrary Shortcode Execution in versions up to, and including, 5.2.8 This is due to insufficient input sanitization in the \u0027referrer_url\u0027 branch of UR_Smart_Tags::process(), where the attacker-controlled HTTP_REFERER header is only passed through sanitize_text_field() \\u2014 which does not strip WordPress shortcode delimiters \\u2014 before being substituted into a Content Restriction message that is subsequently executed via apply_shortcodes()/do_shortcode(). This makes it possible for unauthenticated attackers to execute arbitrary registered shortcodes on any restricted page whose message uses the supported {{referrer_url}} smart tag.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-94\", \"description\": \"CWE-94 Improper Control of Generation of Code (\u0027Code Injection\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"b15e7b5b-3da4-40ae-a43c-f7aa60e62599\", \"shortName\": \"Wordfence\", \"dateUpdated\": \"2026-10-17T03:43:31.068Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-92798\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-18T11:22:46.165Z\", \"dateReserved\": \"2026-09-16T19:44:13.265Z\", \"assignerOrgId\": \"b15e7b5b-3da4-40ae-a43c-f7aa60e62599\", \"datePublished\": \"2026-10-17T03:43:31.068Z\", \"assignerShortName\": \"Wordfence\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}