What is CVE-2021-40191?

CVE-2021-40191 is a medium-severity vulnerability in Dzzoffice, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-10-11.

How severe is CVE-2021-40191?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Dzzoffice

CVE-2021-40191

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (39.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Dzzoffice — versions 2.02.1
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2021-40191?: CVE-2021-40191 is a medium-severity vulnerability in Dzzoffice, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-10-11.
How severe is CVE-2021-40191?: Medium severity. CVSS v3 base score is 5.4 out of 10.