---
title: "CVE-2016-20100: Memphis Documents Library WordPress Plugin - Path Traversal"
description: "Memphis Documents Library plugin for WordPress < 3.1.6 contains a path traversal vulnerability caused by improper sanitization of the mdocs-img-preview parameter in mdocs-downloads.php, letting unauthenticated attackers read arbitrary files."
url: https://panop.io/threat-heartbeat/CVE-2016-20100/
---

# CVE-2016-20100 Memphis Documents Library WordPress Plugin - Path Traversal

Memphis Documents Library plugin for WordPress < 3.1.6 contains a path traversal vulnerability caused by improper sanitization of the mdocs-img-preview parameter in mdocs-downloads.php, letting unauthenticated attackers read arbitrary files.

CVSS base score 7.5 /10

High

CISA KEV

Exploited in the wild

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2016-20100)

## Details

Type

Path Traversal

Impact

File System Read, Information Disclosure

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Published

20 October 2026

Updated

21 October 2026

Weakness

[CWE-22](https://cwe.mitre.org/data/definitions/22.html)

## Vendor fix

Update to version 3.1.6 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2016-20100](https://nvd.nist.gov/vuln/detail/CVE-2016-20100)
- [https://packetstorm.news/files/id/136374/](https://packetstorm.news/files/id/136374/)
- [https://wordpress.org/plugins/memphis-documents-library/](https://wordpress.org/plugins/memphis-documents-library/)
- [https://wpscan.com/vulnerability/53999c06-05ca-44f1-b713-1e4d6b4a3f9f](https://wpscan.com/vulnerability/53999c06-05ca-44f1-b713-1e4d6b4a3f9f)
- [https://www.exploit-db.com/exploits/39593](https://www.exploit-db.com/exploits/39593)
- [https://www.vulncheck.com/advisories/memphis-documents-library-wordpress-plugin-3.1.6-path-traversal-via-mdocs-img-preview](https://www.vulncheck.com/advisories/memphis-documents-library-wordpress-plugin-3.1.6-path-traversal-via-mdocs-img-preview)
- [https://www.cve.org/CVERecord?id=CVE-2016-20100](https://www.cve.org/CVERecord?id=CVE-2016-20100)
- [https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/wp-memphis-documents-library-lfi.yaml](https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/wp-memphis-documents-library-lfi.yaml)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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