What is CVE-2021-44043?

CVE-2021-44043 is a medium-severity vulnerability in Uipath App Studio, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-12-14.

How severe is CVE-2021-44043?

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

XSS in Uipath App Studio

CVE-2021-44043

An issue was discovered in UiPath App Studio 21.4.4. There is a persistent XSS vulnerability in the file-upload functionality for uploading icons when attempting to create new Apps. An attacker with minimal privileges in the application can build their own App and upload a malicious file containing an XSS payload, by uploading an arbitrary file and modifying the MIME type in a subsequent HTTP request. This then allows the file to be stored and retrieved from the server by other users in the same organization.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (37.2th 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

Uipath App_studio — versions 21.4.4
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-44043?: CVE-2021-44043 is a medium-severity vulnerability in Uipath App Studio, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-12-14.
How severe is CVE-2021-44043?: Medium severity. CVSS v3 base score is 5.4 out of 10.