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    2 vulnerabilities by harmonic_design

    CVE-2026-13422 (GCVE-0-2026-13422)

    Vulnerability from nvd – Published: 2026-06-27 01:27 – Updated: 2026-06-27 01:27
    VLAI
    Title
    HD Quiz 2.2.0 - 2.2.1 - Cross-Site Request Forgery via Multiple AJAX Handlers
    Summary
    The HD Quiz plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions 2.2.0 to 2.2.1. This is due to missing or incorrect nonce validation on the hdq_validate_nonce function. This makes it possible for unauthenticated attackers to delete or modify quizzes and questions, create new quizzes, and change plugin settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
    Severity
    4.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
    CWE
    • CWE-352 - Cross-Site Request Forgery (CSRF)
    Assigner
    References
    Impacted products
    Vendor Product Version
    harmonic_design HD Quiz Affected: 2.2.0 , ≤ 2.2.1 (semver)
    		Create a notification for this product.
    Credits
    PRISM
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "HD Quiz",
          "vendor": "harmonic_design",
          "versions": [
            {
              "lessThanOrEqual": "2.2.1",
              "status": "affected",
              "version": "2.2.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "PRISM"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The HD Quiz plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions 2.2.0 to 2.2.1. This is due to missing or incorrect nonce validation on the hdq_validate_nonce function. This makes it possible for unauthenticated attackers to delete or modify quizzes and questions, create new quizzes, and change plugin settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-352",
              "description": "CWE-352 Cross-Site Request Forgery (CSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-27T01:27:22.484Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/c886ce5a-0633-4892-9471-c1a7ee858c93?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/functions.php#L39"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/functions.php#L39"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L87"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L53"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L68"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L155"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L179"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L7"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L87"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L53"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L68"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L155"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L179"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L7"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.2/includes/functions.php#L40"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-06-24T16:48:25.000Z",
          "value": "Vendor Notified"
        },
        {
          "lang": "en",
          "time": "2026-06-26T12:56:19.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "HD Quiz 2.2.0 - 2.2.1 - Cross-Site Request Forgery via Multiple AJAX Handlers"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2026-13422",
    "datePublished": "2026-06-27T01:27:22.484Z",
    "dateReserved": "2026-06-26T12:56:05.661Z",
    "dateUpdated": "2026-06-27T01:27:22.484Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-13422 (GCVE-0-2026-13422)

    Vulnerability from cvelistv5 – Published: 2026-06-27 01:27 – Updated: 2026-06-27 01:27
    VLAI
    Title
    HD Quiz 2.2.0 - 2.2.1 - Cross-Site Request Forgery via Multiple AJAX Handlers
    Summary
    The HD Quiz plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions 2.2.0 to 2.2.1. This is due to missing or incorrect nonce validation on the hdq_validate_nonce function. This makes it possible for unauthenticated attackers to delete or modify quizzes and questions, create new quizzes, and change plugin settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
    Severity
    4.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
    CWE
    • CWE-352 - Cross-Site Request Forgery (CSRF)
    Assigner
    References
    Impacted products
    Vendor Product Version
    harmonic_design HD Quiz Affected: 2.2.0 , ≤ 2.2.1 (semver)
    		Create a notification for this product.
    Credits
    PRISM
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "HD Quiz",
          "vendor": "harmonic_design",
          "versions": [
            {
              "lessThanOrEqual": "2.2.1",
              "status": "affected",
              "version": "2.2.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "PRISM"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The HD Quiz plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions 2.2.0 to 2.2.1. This is due to missing or incorrect nonce validation on the hdq_validate_nonce function. This makes it possible for unauthenticated attackers to delete or modify quizzes and questions, create new quizzes, and change plugin settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-352",
              "description": "CWE-352 Cross-Site Request Forgery (CSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-27T01:27:22.484Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/c886ce5a-0633-4892-9471-c1a7ee858c93?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/functions.php#L39"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/functions.php#L39"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L87"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L53"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L68"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L155"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L179"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.1/includes/actions-ajax.php#L7"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L87"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L53"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L68"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L155"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L179"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.0/includes/actions-ajax.php#L7"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/hd-quiz/tags/2.2.2/includes/functions.php#L40"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-06-24T16:48:25.000Z",
          "value": "Vendor Notified"
        },
        {
          "lang": "en",
          "time": "2026-06-26T12:56:19.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "HD Quiz 2.2.0 - 2.2.1 - Cross-Site Request Forgery via Multiple AJAX Handlers"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2026-13422",
    "datePublished": "2026-06-27T01:27:22.484Z",
    "dateReserved": "2026-06-26T12:56:05.661Z",
    "dateUpdated": "2026-06-27T01:27:22.484Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}