Skip to content
Heist/ feed
Back to feed
Critical

Issuu Panel WordPress Plugin < 1.6.6 File Inclusion via ajax-docs.php

Type: advisorySources: Official CVE List

Issuu Panel plugin for WordPress before 1.6.6 contains a PHP file inclusion vulnerability that allows unauthenticated attackers to include remote or local files through the 'abspath' parameter. Attackers can send GET requests to menu/documento/requests/ajax-docs.php with a crafted abspath value passed to require() to execute remote PHP code or include local files. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-20.

Products
Issuu Panel
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2016-20101
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 13:45 UTC · Revision 2

Source evidence

Issuu Panel WordPress Plugin < 1.6.6 File Inclusion via ajax-docs.php

core-cve · Original source

Published 20 Oct 2026, 20:31 UTC

Issuu Panel plugin for WordPress before 1.6.6 contains a PHP file inclusion vulnerability that allows unauthenticated attackers to include remote or local files through the 'abspath' parameter. Attackers can send GET requests to menu/documento/requests/ajax-docs.php with a crafted abspath value passed to require() to execute remote PHP code or include local files. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-20.

cve:CVE-2016-20101

Issuu Panel

Fixed versions: Not specified

Complete source record
{
  "id": "81737f25c988a91fbbf7a87ba0d1ddad7d3a455212bb77bc1cea4f87f37aa21d",
  "url": "https://www.cve.org/CVERecord?id=CVE-2016-20101",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Issuu Panel WordPress Plugin < 1.6.6 File Inclusion via ajax-docs.php",
    "summary": "Issuu Panel plugin for WordPress before 1.6.6 contains a PHP file inclusion vulnerability that allows unauthenticated attackers to include remote or local files through the 'abspath' parameter. Attackers can send GET requests to menu/documento/requests/ajax-docs.php with a crafted abspath value passed to require() to execute remote PHP code or include local files. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-20.",
    "evidence": "cve:CVE-2016-20101",
    "products": [
      {
        "name": {
          "value": "Issuu Panel",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "CVE-2016-20101",
      "aliases": [
        "CVE-2016-20101"
      ],
      "metrics": [
        {
          "format": "CVSS",
          "cvssV4_0": {
            "Safety": "NOT_DEFINED",
            "version": "4.0",
            "Recovery": "NOT_DEFINED",
            "baseScore": 9.2,
            "Automatable": "NOT_DEFINED",
            "attackVector": "NETWORK",
            "baseSeverity": "CRITICAL",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "exploitMaturity": "NOT_DEFINED",
            "providerUrgency": "NOT_DEFINED",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "privilegesRequired": "NONE",
            "subIntegrityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH",
            "subAvailabilityImpact": "NONE",
            "vulnAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        },
        {
          "format": "CVSS",
          "cvssV3_1": {
            "scope": "UNCHANGED",
            "version": "3.1",
            "baseScore": 8.1,
            "attackVector": "NETWORK",
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "integrityImpact": "HIGH",
            "userInteraction": "NONE",
            "attackComplexity": "HIGH",
            "availabilityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "confidentialityImpact": "HIGH"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "Pedro Marcelo",
          "product": "Issuu Panel",
          "versions": [
            {
              "status": "affected",
              "version": "1.0",
              "lessThan": "1.6.6",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-27T11:05:45.289Z",
      "provider": "cve",
      "references": [
        "https://packetstorm.news/files/id/136398/",
        "https://cxsecurity.com/issue/WLB-2016030131",
        "https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/issuu-panel-lfi.yaml",
        "https://wordpress.org/plugins/issuu-panel/",
        "https://www.vulncheck.com/advisories/issuu-panel-wordpress-plugin-1.6.6-file-inclusion-via-ajax-docs-php"
      ],
      "provider_metadata": {
        "adp": [
          {
            "title": "CISA ADP Vulnrichment",
            "metrics": [
              {
                "other": {
                  "type": "ssvc",
                  "content": {
                    "id": "CVE-2016-20101",
                    "role": "CISA Coordinator",
                    "options": [
                      {
                        "Exploitation": "poc"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "version": "2.0.3",
                    "timestamp": "2026-10-27T11:05:23.994850Z"
                  }
                }
              }
            ],
            "providerMetadata": {
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP",
              "dateUpdated": "2026-10-27T11:05:45.289Z"
            }
          }
        ],
        "cna": {
          "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
          "shortName": "VulnCheck",
          "dateUpdated": "2026-10-20T20:31:27.518Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2016-20101",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 391897,
  "published_at": "2026-10-20T20:31:27.518+00:00"
}