Ian Howatson Memphis Documents Library Plugin up to 3.1.5 mdocs-downloads.php mdocs_img_preview mdocs-img-preview path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k1.28

Summaryinfo

A vulnerability was found in Ian Howatson Memphis Documents Library Plugin up to 3.1.5. It has been rated as problematic. Affected by this issue is the function mdocs_img_preview of the file mdocs-downloads.php. The manipulation of the argument mdocs-img-preview leads to path traversal. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is uniquely identified as CVE-2016-20100. The attack is possible to be carried out remotely. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Ian Howatson Memphis Documents Library Plugin up to 3.1.5. It has been rated as problematic. This issue affects the function mdocs_img_preview of the file mdocs-downloads.php. The manipulation of the argument mdocs-img-preview with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality. The summary by CVE is:

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.

The advisory is shared at exploit-db.com. The identification of this vulnerability is CVE-2016-20100 since 10/14/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a exploit are known. MITRE ATT&CK project uses the attack technique T1006 for this issue.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:mdocs-downloads.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 3.1.6 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

Support

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Google Hack: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Memphis Documents Library Plugin 3.1.6

Timelineinfo

10/14/2026 CVE reserved
10/20/2026 +6 days Advisory disclosed
10/20/2026 +0 days VulDB entry created
10/20/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: exploit-db.com
Status: Confirmed

CVE: CVE-2016-20100 (🔒)
GCVE (CVE): GCVE-0-2016-20100
GCVE (VulDB): GCVE-100-423017
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/20/2026 23:01
Changes: 10/20/2026 23:01 (82)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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