Path Traversal in Ian Howatson Memphis Documents Library
CVE-2016-20100
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/39593 (exploit)
- packetstorm.news/files/id/136374/ (exploit)
- wpscan.com/vulnerability/53999c06-05ca-44f1-b713-1e4d6b4a3f9f (third-party-advisory)
- github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wor… (technical-description)
- wordpress.org/plugins/memphis-documents-library/ (product)
- www.vulncheck.com/advisories/memphis-documents-library-wordpress-plugin-3.1.6-p… (third-party-advisory)
Frequently asked questions
- What is CVE-2016-20100?
- CVE-2016-20100 is a high-severity vulnerability in Ian Howatson Memphis Documents Library, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-10-20.
- How severe is CVE-2016-20100?
- High severity. CVSS v3 base score is 7.5 out of 10.