PT-2021-22840 · Dzzoffice · Dzzoffice

Kiet Nguyen Anh + 1 · Published 2021-10-11 · Updated 2021-10-18 · CVE-2021-40191

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Dzzoffice version 2.02.1

Description The issue is related to 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 a wrong response in content-type of output data in webroot/dzz/attach/controller.php.

Recommendations For Dzzoffice version 2.02.1, ensure proper sanitization of input data in the upload functions within Uploader.class.php and correct the response content-type in controller.php to prevent XSS attacks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-40191

Affected Products

Dzzoffice

References · 5

• 🔥 https://github.com/zyx0814/dzzoffice/issues/196 · Exploit
• https://osv.dev/vulnerability/CVE-2021-40191 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-40191 · Security Note
• https://t.me/cvenotify/22280 · Telegram Post
• https://t.me/cibsecurity/30346 · Telegram Post