Is CVE-2021-43673 actively exploited?

No active exploitation of CVE-2021-43673 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-43673 be exploited remotely?

Yes. CVE-2021-43673 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-43673?

CVE-2021-43673 has a CVSS score of 6.1 (MEDIUM).

HOME VULNERABILITIESCVE-2021-43673

MEDIUM

CVE-2021-43673

CWE-79Published: December 3, 2021· Updated: Jun 17, 2026

6.1

CVSS v3.1

Official Description

dzzoffice 2.02.1_SC_UTF8 is affected by a Cross Site Scripting (XSS) vulnerability in explorerfile.php. The output of the exit function is printed for the user via exit(json_encode($return)).

NVD Source

Technical Analysis

CVE-2021-43673 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.