Is CVE-2023-0943 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2023-0943, but active exploitation has not been confirmed.

Can CVE-2023-0943 be exploited remotely?

Yes. CVE-2023-0943 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-0943?

CVE-2023-0943 has a CVSS score of 8.8 (HIGH).

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HIGHPOC

CVE-2023-0943

CWE-434Published: February 21, 2023· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

A vulnerability, which was classified as problematic, has been found in SourceCodester Best POS Management System 1.0. This issue affects the function save_settings of the file index.php?page=site_settings of the component Image Handler. The manipulation of the argument img with the input ../../shell.php leads to unrestricted upload. The attack may be initiated remotely. The associated identifier of this vulnerability is VDB-221591.

NVD Source

Technical Analysis

CVE-2023-0943 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

A proof-of-concept (PoC) exploit exists for CVE-2023-0943. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.