CVE-2016-20100: Memphis Documents Library plugin for WordPress before 3.1.6 contains a path traversal vulnerability that allow

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HIGH 7.5REMOTE

CVE-2016-20100 is a high-severity flaw (CVSS 7.5) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
CISA SSVC: public proof of concept
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-10-20
Last modified	2026-10-23

Publisher (CNA): VulnCheck

Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-10-20Published CVE record published
2026-10-23 03:16 UTCUpdated Record last modified

Exact fixes by distribution

Fedora 46 · retext · FIXED · 8.1.0-1.fc46 · FEDORA-2026-0602a84203 · source

sudo dnf upgrade --advisory=FEDORA-2026-0602a84203

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2016-20100?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2016-20100 being exploited?

CVE-2016-20100 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2016-20100 affect?

CVE-2016-20100 affects affected software. Severity is high (CVSS 7.5). 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 trav

How urgent is CVE-2016-20100?

Priority 43/100. High severity; CISA SSVC: public proof of concept; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

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