Is CVE-2023-4559 actively exploited?

No active exploitation of CVE-2023-4559 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-4559 be exploited remotely?

Yes. CVE-2023-4559 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-4559?

CVE-2023-4559 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-4559

CWE-434Published: August 27, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability, which was classified as critical, has been found in Bettershop LaikeTui. Affected by this issue is some unknown functionality of the file index.php?module=api&action=user&m=upload of the component POST Request Handler. The manipulation leads to unrestricted upload. The attack may be launched remotely. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The identifier of this vulnerability is VDB-238160.

NVD Source

Risk Analysis

Bettershop LaikeTui contains an unrestricted file upload vulnerability in its POST request handler. This allows remote attackers to upload arbitrary files, potentially leading to full system compromise. The 9.8 CVSS score indicates a critical risk due to the ease of remote exploitation.

No public exploit is known, and it is not in the KEV catalog. The vulnerability is remotely exploitable with low attack complexity.

Recommended Action

Since the product uses a rolling release, ensure the system is updated to the latest available version and implement strict file type validation on the server.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-4559 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

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 9.8.