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    2 vulnerabilities found for Fense Proxy & VPN Blocker by devozon

    CVE-2026-8616 (GCVE-0-2026-8616)

    Vulnerability from nvd – Published: 2026-07-17 02:31 – Updated: 2026-07-17 02:31
    VLAI
    Title
    Fense Proxy & VPN Blocker <= 3.0.1 - Missing Authorization to Unauthenticated Plugin Option/Transient Deletion via fense_bpvt_save_settings AJAX Action
    Summary
    The Fense Proxy & VPN Blocker plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check and missing nonce validation on the fense_bpvt_save_settings() function in versions up to, and including, 3.0.1. The callback is registered to both wp_ajax_* and wp_ajax_nopriv_* hooks and unconditionally calls delete_option() on four plugin options and delete_transient() on three transients tied to the plugin's API key cache and settings. This makes it possible for unauthenticated attackers to delete plugin options and transients, effectively resetting the plugin's API key/data cache and forcing the plugin to refetch state.
    Severity
    5.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    devozon Fense Proxy & VPN Blocker Affected: 0 , ≤ 3.0.1 (semver)
    		Create a notification for this product.
    Credits
    Legion Hunter
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Fense Proxy \u0026 VPN Blocker",
          "vendor": "devozon",
          "versions": [
            {
              "lessThanOrEqual": "3.0.1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Legion Hunter"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Fense Proxy \u0026 VPN Blocker plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check and missing nonce validation on the fense_bpvt_save_settings() function in versions up to, and including, 3.0.1. The callback is registered to both wp_ajax_* and wp_ajax_nopriv_* hooks and unconditionally calls delete_option() on four plugin options and delete_transient() on three transients tied to the plugin\u0027s API key cache and settings. This makes it possible for unauthenticated attackers to delete plugin options and transients, effectively resetting the plugin\u0027s API key/data cache and forcing the plugin to refetch state."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862 Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-17T02:31:30.556Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/1208ac78-4a56-4daa-b935-d579f07f8e8e?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/fense-block-vpn-proxy/tags/2.9.0/includes/system/fense-bpvt-header-code.php#L32"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/fense-block-vpn-proxy/tags/2.9.0/includes/system/fense-bpvt-header-code.php#L48"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/fense-block-vpn-proxy/tags/3.0.2/includes/system/header-code.php?rev=3574545"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-06-15T21:43:06.000Z",
          "value": "Vendor Notified"
        },
        {
          "lang": "en",
          "time": "2026-07-16T14:07:41.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "Fense Proxy \u0026 VPN Blocker \u003c= 3.0.1 - Missing Authorization to Unauthenticated Plugin Option/Transient Deletion via fense_bpvt_save_settings AJAX Action"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2026-8616",
    "datePublished": "2026-07-17T02:31:30.556Z",
    "dateReserved": "2026-05-14T17:37:53.682Z",
    "dateUpdated": "2026-07-17T02:31:30.556Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-8616 (GCVE-0-2026-8616)

    Vulnerability from cvelistv5 – Published: 2026-07-17 02:31 – Updated: 2026-07-17 02:31
    VLAI
    Title
    Fense Proxy & VPN Blocker <= 3.0.1 - Missing Authorization to Unauthenticated Plugin Option/Transient Deletion via fense_bpvt_save_settings AJAX Action
    Summary
    The Fense Proxy & VPN Blocker plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check and missing nonce validation on the fense_bpvt_save_settings() function in versions up to, and including, 3.0.1. The callback is registered to both wp_ajax_* and wp_ajax_nopriv_* hooks and unconditionally calls delete_option() on four plugin options and delete_transient() on three transients tied to the plugin's API key cache and settings. This makes it possible for unauthenticated attackers to delete plugin options and transients, effectively resetting the plugin's API key/data cache and forcing the plugin to refetch state.
    Severity
    5.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    devozon Fense Proxy & VPN Blocker Affected: 0 , ≤ 3.0.1 (semver)
    		Create a notification for this product.
    Credits
    Legion Hunter
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Fense Proxy \u0026 VPN Blocker",
          "vendor": "devozon",
          "versions": [
            {
              "lessThanOrEqual": "3.0.1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Legion Hunter"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Fense Proxy \u0026 VPN Blocker plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check and missing nonce validation on the fense_bpvt_save_settings() function in versions up to, and including, 3.0.1. The callback is registered to both wp_ajax_* and wp_ajax_nopriv_* hooks and unconditionally calls delete_option() on four plugin options and delete_transient() on three transients tied to the plugin\u0027s API key cache and settings. This makes it possible for unauthenticated attackers to delete plugin options and transients, effectively resetting the plugin\u0027s API key/data cache and forcing the plugin to refetch state."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862 Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-17T02:31:30.556Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/1208ac78-4a56-4daa-b935-d579f07f8e8e?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/fense-block-vpn-proxy/tags/2.9.0/includes/system/fense-bpvt-header-code.php#L32"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/fense-block-vpn-proxy/tags/2.9.0/includes/system/fense-bpvt-header-code.php#L48"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/fense-block-vpn-proxy/tags/3.0.2/includes/system/header-code.php?rev=3574545"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-06-15T21:43:06.000Z",
          "value": "Vendor Notified"
        },
        {
          "lang": "en",
          "time": "2026-07-16T14:07:41.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "Fense Proxy \u0026 VPN Blocker \u003c= 3.0.1 - Missing Authorization to Unauthenticated Plugin Option/Transient Deletion via fense_bpvt_save_settings AJAX Action"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2026-8616",
    "datePublished": "2026-07-17T02:31:30.556Z",
    "dateReserved": "2026-05-14T17:37:53.682Z",
    "dateUpdated": "2026-07-17T02:31:30.556Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}