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    2 vulnerabilities found for YITH WooCommerce Waitlist Premium by Yith

    CVE-2026-14359 (GCVE-0-2026-14359)

    Vulnerability from nvd – Published: 2026-09-09 08:28 – Updated: 2026-09-09 15:06
    VLAI
    Title
    YITH WooCommerce Waitlist Premium <= 3.35.0 - Authenticated (Subscriber+) Privilege Escalation to Admin via wp_ajax_yith_wcwtl_add_user
    Summary
    The YITH WooCommerce Waitlist Premium plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 3.35.0. This is due to the add_user_in_waiting_list() function registered on the wp_ajax_yith_wcwtl_add_user action being missing both a capability check and a nonce verification, and using parse_str() + extract() to import attacker-controlled variables from $_POST['params'] that are then passed to wp_create_user() and $user->set_role(). This makes it possible for authenticated attackers, with Subscriber-level access and above, to elevate their privileges to that of an administrator by creating a new user account and assigning it the administrator role.
    Severity
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-09 15:06 UTC
    CWE
    • CWE-269 - Improper Privilege Management
    Assigner
    References
    Impacted products
    Vendor Product Version
    Yith YITH WooCommerce Waitlist Premium Affected: 0 , ≤ 3.35.0 (semver)
    		Create a notification for this product.
    Credits
    Michele Genito
    Show details on NVD website
    To clipboard 

    {
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        "metrics": [
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                "id": "CVE-2026-14359",
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                  },
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-09T15:06:21.688017Z",
                "version": "2.0.3"
              },
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "YITH WooCommerce Waitlist Premium",
          "vendor": "Yith",
          "versions": [
            {
              "lessThanOrEqual": "3.35.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Michele Genito"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The YITH WooCommerce Waitlist Premium plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 3.35.0. This is due to the add_user_in_waiting_list() function registered on the wp_ajax_yith_wcwtl_add_user action being missing both a capability check and a nonce verification, and using parse_str() + extract() to import attacker-controlled variables from $_POST[\u0027params\u0027] that are then passed to wp_create_user() and $user-\u003eset_role(). This makes it possible for authenticated attackers, with Subscriber-level access and above, to elevate their privileges to that of an administrator by creating a new user account and assigning it the administrator role."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
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            "baseSeverity": "HIGH",
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      "providerMetadata": {
        "dateUpdated": "2026-09-09T08:28:22.843Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
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          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/48660afe-1e03-4bf5-b821-6538a4daf201?source=cve"
        },
        {
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      ],
      "timeline": [
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          "time": "2026-09-08T20:01:42.000Z",
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      ],
      "title": "YITH WooCommerce Waitlist Premium \u003c= 3.35.0 - Authenticated (Subscriber+) Privilege Escalation to Admin via wp_ajax_yith_wcwtl_add_user"
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    CVE-2026-14359 (GCVE-0-2026-14359)

    Vulnerability from cvelistv5 – Published: 2026-09-09 08:28 – Updated: 2026-09-09 15:06
    VLAI
    Title
    YITH WooCommerce Waitlist Premium <= 3.35.0 - Authenticated (Subscriber+) Privilege Escalation to Admin via wp_ajax_yith_wcwtl_add_user
    Summary
    The YITH WooCommerce Waitlist Premium plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 3.35.0. This is due to the add_user_in_waiting_list() function registered on the wp_ajax_yith_wcwtl_add_user action being missing both a capability check and a nonce verification, and using parse_str() + extract() to import attacker-controlled variables from $_POST['params'] that are then passed to wp_create_user() and $user->set_role(). This makes it possible for authenticated attackers, with Subscriber-level access and above, to elevate their privileges to that of an administrator by creating a new user account and assigning it the administrator role.
    Severity
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-09 15:06 UTC
    CWE
    • CWE-269 - Improper Privilege Management
    Assigner
    References
    Impacted products
    Vendor Product Version
    Yith YITH WooCommerce Waitlist Premium Affected: 0 , ≤ 3.35.0 (semver)
    		Create a notification for this product.
    Credits
    Michele Genito
    Show details on NVD website
    To clipboard 

    {
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        "metrics": [
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                "id": "CVE-2026-14359",
                "options": [
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                  },
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-09T15:06:21.688017Z",
                "version": "2.0.3"
              },
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          }
        ],
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          "dateUpdated": "2026-09-09T15:06:29.751Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "YITH WooCommerce Waitlist Premium",
          "vendor": "Yith",
          "versions": [
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              "lessThanOrEqual": "3.35.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Michele Genito"
        }
      ],
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          "lang": "en",
          "value": "The YITH WooCommerce Waitlist Premium plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 3.35.0. This is due to the add_user_in_waiting_list() function registered on the wp_ajax_yith_wcwtl_add_user action being missing both a capability check and a nonce verification, and using parse_str() + extract() to import attacker-controlled variables from $_POST[\u0027params\u0027] that are then passed to wp_create_user() and $user-\u003eset_role(). This makes it possible for authenticated attackers, with Subscriber-level access and above, to elevate their privileges to that of an administrator by creating a new user account and assigning it the administrator role."
        }
      ],
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