Is CVE-2026-4563 actively exploited?

No active exploitation of CVE-2026-4563 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-4563 be exploited remotely?

Yes. CVE-2026-4563 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-4563?

CVE-2026-4563 has a CVSS score of 4.3 (MEDIUM).

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MEDIUM

CVE-2026-4563

CWE-285Published: March 23, 2026· Updated: Mar 23, 2026

4.3

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:6.7th

Official Description

A weakness has been identified in MacCMS up to 2025.1000.4052. This vulnerability affects the function order_info of the file application/index/controller/User.php of the component Member Order Detail Interface. This manipulation of the argument order_id causes authorization bypass. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.

NVD Source

Technical Analysis

CVE-2026-4563 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.