CVE-2020-36847 | Simple File List < 4.2.3 - Remote Code Execution

Exp

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.

Published: 2025-07-12 Last update: 2025-07-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2020-36847 is rated High Exploit Risk (91.1/100): CVSS Critical severity, with high exploitation likelihood (EPSS 89.30%, 100th percentile). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.08% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2020-36847

EDB-ID Source Kind Published Link
52371 exploit_db edb 2025-07-22 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2020-36847

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-08 87.22% 89.30% +2.08%
2 2026-03-28 86.14% 87.22% +1.08%
3 2025-12-08 86.14%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-36847

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 [email protected]

Weakness enumeration for CVE-2020-36847

Affected software / configurations for CVE-2020-36847

Vendor Product Version Raw CPE
simplefilelist simple_file_list < 4.2.3 cpe:2.3:a:simplefilelist:simple_file_list:*:*:*:*:*:wordpress:*:*

References for CVE-2020-36847

cvelogic Threat Intelligence