THREATPORT/VULNERABILITY/CVE-2020-36847
CRITICAL SEVERITY

CVE-2020-36847

Simple File List vulnerability

CVSS
9.8
EPSS
12.6%
EPSS pct
96th
Exploited
No known
The Simple-File-List Plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 4.2.2 via the rename function which can be used to rename uploaded PHP code with a png extension to use a php extension. This allows unauthenticated attackers to execute code on the server.
Affected vendor
Simplefilelist
Affected product
Simple File List
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-434 — Unrestricted Upload of File with Dangerous Type
Published
2025-07-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 12.6% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2020-36847

  • Confirm whether Simplefilelist Simple File List is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-36847.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-36847

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-36847 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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