---
id: CVE-2016-20100
title: >-
  Memphis Documents Library WordPress Plugin < 3.1.6 Path Traversal via
  mdocs-img-preview
summary: >-
  Memphis Documents Library plugin for WordPress before 3.1.6 contains a path
  traversal vulnerability that allows unauthenticated attackers to read
  arbitrary files via the mdocs-img-preview parameter. Attackers can send GET
  requests with t…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-22
vendor: Ian Howatson
product: Memphis Documents Library
affected:
  - memphis_documents_library >= 2.2.1 < 3.1.6
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T20:31:26.870Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2016-20100'
references:
  - url: 'https://www.exploit-db.com/exploits/39593'
    label: EDB-39593
  - url: 'https://packetstorm.news/files/id/136374/'
    label: Packet Storm 136374
  - url: 'https://wpscan.com/vulnerability/53999c06-05ca-44f1-b713-1e4d6b4a3f9f'
    label: WPScan Advisory
  - url: >-
      https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/wp-memphis-documents-library-lfi.yaml
    label: Nuclei Template
  - url: 'https://wordpress.org/plugins/memphis-documents-library/'
    label: WordPress Download Page
  - url: >-
      https://www.vulncheck.com/advisories/memphis-documents-library-wordpress-plugin-3.1.6-path-traversal-via-mdocs-img-preview
    label: >-
      VulnCheck Advisory: Memphis Documents Library WordPress Plugin < 3.1.6
      Path Traversal via mdocs-img-preview
tags:
  - cve.org
ingestedAt: '2026-10-20T21:19:21.264Z'
---

## Overview

Memphis Documents Library plugin for WordPress before 3.1.6 contains a path traversal vulnerability that allows unauthenticated attackers to read arbitrary files via the mdocs-img-preview parameter. Attackers can send GET requests with traversal sequences to mdocs_img_preview() in mdocs-downloads.php to download wp-config.php containing database credentials. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-22.

## Affected

- `memphis_documents_library >= 2.2.1 < 3.1.6`

## Remediation

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