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    2 vulnerabilities found for Extendify by extendify

    CVE-2026-85679 (GCVE-0-2026-85679)

    Vulnerability from nvd – Published: 2026-10-01 05:30 – Updated: 2026-10-01 05:30
    VLAI
    Title
    Extendify <= 3.1.6 - Unauthenticated Stored Cross-Site Scripting via 'styles.blocks' Block Type Key
    Summary
    The Extendify plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'styles.blocks' Block Type Key in all versions up to, and including, 3.1.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is possible because registerIncoming() is hooked on rest_request_before_callbacks and runs before WordPress evaluates the route's permission_callback, meaning any unauthenticated POST, PUT, or PATCH request to a /wp/v2/global-styles route can trigger the vulnerable code path.
    Severity
    7.2 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    References
    Impacted products
    Vendor Product Version
    extendify Extendify Affected: 0 , ≤ 3.1.6 (semver)
    		Create a notification for this product.
    Credits
    Jack Taylor
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Extendify",
          "vendor": "extendify",
          "versions": [
            {
              "lessThanOrEqual": "3.1.6",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Jack Taylor"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Extendify plugin for WordPress is vulnerable to Stored Cross-Site Scripting via \u0027styles.blocks\u0027 Block Type Key in all versions up to, and including, 3.1.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is possible because registerIncoming() is hooked on rest_request_before_callbacks and runs before WordPress evaluates the route\u0027s permission_callback, meaning any unauthenticated POST, PUT, or PATCH request to a /wp/v2/global-styles route can trigger the vulnerable code path."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-01T05:30:55.047Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/38024680-2d99-4af0-b805-6fd718a1d338?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/extendify/tags/3.1.6/app/Shared/Services/BlockStyleVariations.php#L62"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/extendify/tags/3.1.6/app/Shared/Services/BlockStyleVariations.php#L75"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/extendify/tags/3.1.6/app/Shared/Services/BlockStyleVariations.php#L29"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/extendify/tags/3.1.6/app/Shared/Services/BlockStyleVariations.php#L37"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/extendify/tags/3.1.6/bootstrap.php#L112"
        },
        {
          "url": "https://plugins.trac.wordpress.org/changeset?reponame=\u0026new=3688833%40extendify%2Ftags%2F3.2.0\u0026old=3669317%40extendify%2Ftags%2F3.1.6"
        },
        {
          "url": "https://plugins.trac.wordpress.org/changeset/3688833/extendify/trunk/app/Shared/Services/BlockStyleVariations.php"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-09-04T18:29:02.000Z",
          "value": "Vendor Notified"
        },
        {
          "lang": "en",
          "time": "2026-09-30T16:46:01.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "Extendify \u003c= 3.1.6 - Unauthenticated Stored Cross-Site Scripting via \u0027styles.blocks\u0027 Block Type Key"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2026-85679",
    "datePublished": "2026-10-01T05:30:55.047Z",
    "dateReserved": "2026-09-04T13:38:58.902Z",
    "dateUpdated": "2026-10-01T05:30:55.047Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-85679 (GCVE-0-2026-85679)

    Vulnerability from cvelistv5 – Published: 2026-10-01 05:30 – Updated: 2026-10-01 05:30
    VLAI
    Title
    Extendify <= 3.1.6 - Unauthenticated Stored Cross-Site Scripting via 'styles.blocks' Block Type Key
    Summary
    The Extendify plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'styles.blocks' Block Type Key in all versions up to, and including, 3.1.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is possible because registerIncoming() is hooked on rest_request_before_callbacks and runs before WordPress evaluates the route's permission_callback, meaning any unauthenticated POST, PUT, or PATCH request to a /wp/v2/global-styles route can trigger the vulnerable code path.
    Severity
    7.2 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    References
    Impacted products
    Vendor Product Version
    extendify Extendify Affected: 0 , ≤ 3.1.6 (semver)
    		Create a notification for this product.
    Credits
    Jack Taylor
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Extendify",
          "vendor": "extendify",
          "versions": [
            {
              "lessThanOrEqual": "3.1.6",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Jack Taylor"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Extendify plugin for WordPress is vulnerable to Stored Cross-Site Scripting via \u0027styles.blocks\u0027 Block Type Key in all versions up to, and including, 3.1.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is possible because registerIncoming() is hooked on rest_request_before_callbacks and runs before WordPress evaluates the route\u0027s permission_callback, meaning any unauthenticated POST, PUT, or PATCH request to a /wp/v2/global-styles route can trigger the vulnerable code path."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-01T05:30:55.047Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/38024680-2d99-4af0-b805-6fd718a1d338?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/extendify/tags/3.1.6/app/Shared/Services/BlockStyleVariations.php#L62"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/extendify/tags/3.1.6/app/Shared/Services/BlockStyleVariations.php#L75"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/extendify/tags/3.1.6/app/Shared/Services/BlockStyleVariations.php#L29"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/extendify/tags/3.1.6/app/Shared/Services/BlockStyleVariations.php#L37"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/extendify/tags/3.1.6/bootstrap.php#L112"
        },
        {
          "url": "https://plugins.trac.wordpress.org/changeset?reponame=\u0026new=3688833%40extendify%2Ftags%2F3.2.0\u0026old=3669317%40extendify%2Ftags%2F3.1.6"
        },
        {
          "url": "https://plugins.trac.wordpress.org/changeset/3688833/extendify/trunk/app/Shared/Services/BlockStyleVariations.php"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-09-04T18:29:02.000Z",
          "value": "Vendor Notified"
        },
        {
          "lang": "en",
          "time": "2026-09-30T16:46:01.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "Extendify \u003c= 3.1.6 - Unauthenticated Stored Cross-Site Scripting via \u0027styles.blocks\u0027 Block Type Key"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2026-85679",
    "datePublished": "2026-10-01T05:30:55.047Z",
    "dateReserved": "2026-09-04T13:38:58.902Z",
    "dateUpdated": "2026-10-01T05:30:55.047Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}