TI-2021-17363 Aliases CVE-2021-40191 GHSA-2cwh-9m9v-957f

Dzzoffice Version 2.02.1 is affected by cross-site scripting (XSS) due to a lack of…

LOW 25CWE-79Published 2021-10-11 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Dzzoffice Version 2.02.1 is affected by cross-site scripting (XSS) due to a lack of sanitization of input data at all upload functions in webroot/dzz/attach/Uploader.class.php and return a wrong response in content-type of output data in webroot/dzz/attach/controller.php.

Why it matters now

EPSS 0.00503 43rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:dzzoffice:dzzoffice:2.02.1:::::::*	2.02.1	Vulnerable	Dzzoffice

cpe:2.3:a:dzzoffice:dzzoffice:2.02.1:*:*:*:*:*:*:* Versions 2.02.1 Vulnerable ·Dzzoffice

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-40191
2026-10-03 Alias added: GHSA-2cwh-9m9v-957f

References

Exploit 1

https://github.com/zyx0814/dzzoffice/issues/196

TI-2025-39423 DzzOffice v2.3.7 and before is vulnerable to Arbitrary File Upload in /dzz/system/ueditor/php/controller.php. CVSS 3.1CRITICAL 9.8
TI-2025-39422 DzzOffice v2.3.7 and before is vulnerable to SQL Injection in explorer/groupmanage. CVSS 3.1CRITICAL 9.8
TI-2024-27617 dzzoffice 2.02.1 is vulnerable to Directory Traversal via user/space/about.php. CVSS 3.1HIGH 8.8
TI-2022-21159 A Cross-Site Request Forgery (CSRF) in dzzoffice 2.02.1_SC_UTF8 allows attackers to… CVSS 3.1HIGH 8.8
TI-2021-10738 Incorrect access control in the component /index.php?mod=system&op=orgtree of dzzoffice… CVSS 3.1MEDIUM 5.3
TI-2023-20804 SQL Injection vulnerability in Dzzoffice version 2.01, allows remote attackers to obtain… CVSS 3.1MEDIUM 6.5

See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences