ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2020-36847

simplefilelist simple_file_list Unrestricted Upload of File with Dangerous Type

Published Jun 23, 2026 · catalog updated Jun 23, 2026 · simplefilelist simple_file_list Unrestricted Upload

Patch now

CVE-2020-36847 is in the CISA known-exploited catalog. Confirm simplefilelist simple_file_list Unrestricted Upload against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (simplefilelist simple_file_list Unrestricted Upload).
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
43.52%
Remediation
Remediation guidance
Affected products
stated simple_file_list · vendor simplefilelist simple_file_list

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. Initial-access exploit intelligence.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • stated simple_file_list<= 4.2.2
  • vendor simplefilelist simple_file_listversion unspecified

How to fix CVE-2020-36847

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2020-36847 is in the CISA known-exploited catalog. Confirm simplefilelist simple_file_list Unrestricted Upload against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with <= 4.2.2. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 43.52%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 23, 2026 · VulnCheck KEV

    Detected

    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. Initial-access exploit intelligence.

  2. Jun 23, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2020-36847

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-36847

    30-day exploitation probability 43.5%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2020-36847

    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 exe

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.