CVE-2023-5957Public exploitNetwork attack vector

Administrator remote code execution via unvalidated image upload

Published Jan 8, 2024 · Updated Jun 18, 2025

Arbitrary file upload in Nazi Infotech Ni Purchase Order (PO) For WooCommerce 1.2.1 and earlier allows remote authenticated users to execute code. The settings handler accepts PHP files in the Logo or Signature fields without validating their type and stores them under a web-accessible uploads path. Administrator-level access is required; requesting the uploaded script executes commands with the web server's privileges.

CVSS severity7.2
High
EPSS probability0.88%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Arbitrary file upload in Nazi Infotech Ni Purchase Order (PO) For WooCommerce 1.2.1 and earlier allows remote authenticated users to execute code. The settings handler accepts PHP files in the Logo or Signature fields without validating their type and stores them under a web-accessible uploads path. Administrator-level access is required; requesting the uploaded script executes commands with the web server's privileges.

The record

CVE
CVE-2023-5957
Published
Jan 8, 2024
Updated
Jun 18, 2025
Vendor
Nazi Infotech
Product
Ni Purchase Order (PO) For WooCommerce
Classifications
CWE-94, CWE-434, T1505.003
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 8, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 18, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=1.2.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Nazi Infotech · Ni Purchase Order (PO) For WooCommerceversion=0 <=1.2.1

Published CVSS scores

7.2CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.2NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
CWE-434Unrestricted Upload of File with Dangerous Type
T1505.003Server Software Component: Web Shell

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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