How severe is CVE-2020-36847?

CVE-2020-36847 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-36847 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-36847?

CVE-2020-36847 affects Simplefilelist Simple File List. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-36847?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2020-36847 have an EU (EUVD) identifier?

Yes. CVE-2020-36847 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30797.

When was CVE-2020-36847 published?

CVE-2020-36847 was published on 2025-07-12 and last updated on 2026-06-17.

CVE-2020-36847

CVE-2020-36847 is a critical-severity vulnerability in Simplefilelist Simple File List with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-30797
Weakness: CWE-434
Affected product: Simplefilelist Simple File List
Published: 2025-07-12
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-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 execute code on the server.
How severe is CVE-2020-36847?: CVE-2020-36847 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-36847 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36847?: CVE-2020-36847 affects Simplefilelist Simple File List. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-36847?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2020-36847 have an EU (EUVD) identifier?: Yes. CVE-2020-36847 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30797.
When was CVE-2020-36847 published?: CVE-2020-36847 was published on 2025-07-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:simplefilelist:simple_file_list:*:*:*:*:*:wordpress:*:*

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