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Vulnerability record · CVE-2021-30203 · published 27 June 2023

CVE-2021-30203: Dzzoffice cross-site scripting vulnerability

Dzzoffice · Dzzoffice

A reflected cross-site scripting (XSS) vulnerability in the zero parameter of dzzoffice 2.02.1_SC_UTF8 allows attackers to execute arbitrary web scripts or HTML.

6.1 CVSS 3.1 Medium EPSS 0.60% · top 53.6% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score
0.60%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A reflected cross-site scripting (XSS) vulnerability in the zero parameter of dzzoffice 2.02.1_SC_UTF8 allows attackers to execute arbitrary web scripts or HTML.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/zyx0814/dzzoffice/issues/183 ExploitIssue Tracking
https://github.com/zyx0814/dzzoffice/issues/183 ExploitIssue Tracking

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-63694Dzzoffice sql injection vulnerabilityDzzOffice v2.3.7 and before is vulnerable to SQL Injection in explorer/groupmanage.EPSS 0.35%9.8CVE-2025-63695Dzzoffice unrestricted file upload vulnerabilityDzzOffice v2.3.7 and before is vulnerable to Arbitrary File Upload in /dzz/system/ueditor/php/controller.php.EPSS 0.39%8.8CVE-2024-41376Dzzoffice vulnerabilitydzzoffice 2.02.1 is vulnerable to Directory Traversal via user/space/about.php.EPSS 0.96%8.8CVE-2022-43340Dzzoffice cross-site request forgery vulnerabilityA Cross-Site Request Forgery (CSRF) in dzzoffice 2.02.1_SC_UTF8 allows attackers to arbitrarily create user accounts and grant Administrator rights t…EPSS 0.38%6.5CVE-2023-39853Dzzoffice sql injection vulnerabilitySQL Injection vulnerability in Dzzoffice version 2.01, allows remote attackers to obtain sensitive information via the doobj and doevent parameters i…EPSS 0.74%6.1CVE-2024-29273Dzzoffice cross-site scripting vulnerabilityThere is Stored Cross-Site Scripting (XSS) in dzzoffice 2.02.1 SC UTF8 in uploadfile to index.php, with the XSS payload in an SVG document.EPSS 0.37%6.1CVE-2021-43673Dzzoffice cross-site scripting vulnerabilitydzzoffice 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 fo…EPSS 0.64%6.1CVE-2020-19703Dzzoffice cross-site scripting vulnerabilityA cross-site scripting (XSS) vulnerability in the referer parameter of Dzzoffice 2.02 allows attackers to execute arbitrary web scripts or HTML via a…EPSS 0.68%

Source: NIST National Vulnerability Database (record CVE-2021-30203), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.