---
id: CVE-2016-20101
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/doc…
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-98
vendor: Pedro Marcelo
product: Issuu Panel
affected:
  - issuu_panel >= 1.0 < 1.6.6
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T20:31:27.518Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2016-20101'
references:
  - url: 'https://packetstorm.news/files/id/136398/'
    label: Packet Storm 136398
  - url: 'https://cxsecurity.com/issue/WLB-2016030131'
    label: CXSecurity WLB-2016030131
  - url: >-
      https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/issuu-panel-lfi.yaml
    label: Nuclei Template
  - url: 'https://wordpress.org/plugins/issuu-panel/'
    label: WordPress Download Page
  - url: >-
      https://www.vulncheck.com/advisories/issuu-panel-wordpress-plugin-1.6.6-file-inclusion-via-ajax-docs-php
    label: >-
      VulnCheck Advisory: Issuu Panel WordPress Plugin < 1.6.6 File Inclusion
      via ajax-docs.php
tags:
  - cve.org
ingestedAt: '2026-10-20T21:19:21.266Z'
---

## Overview

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.

## Affected

- `issuu_panel >= 1.0 < 1.6.6`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.