CVE-2021-40238

Name: CVE-2021-40238
Creator: NVD / NIST
Published: 2021-09-15T17:15:10.747+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.01%

Last modified Jun 17, 2026

CVE-2021-40238 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A Cross Site Scriptiong (XSS) vulnerability exists in the admin panel in Webuzo < 2.9.0 via an HTTP request to a non-existent page, which is activated by administrators viewing the "Error Log" page. An attacker can leverage this to achieve Unauthenticated Remote Code Execution via the "Cron Jobs" functionality of Webuzo.. EPSS estimates a 1.01% chance of exploitation in the next 30 days.

Description

A Cross Site Scriptiong (XSS) vulnerability exists in the admin panel in Webuzo < 2.9.0 via an HTTP request to a non-existent page, which is activated by administrators viewing the "Error Log" page. An attacker can leverage this to achieve Unauthenticated Remote Code Execution via the "Cron Jobs" functionality of Webuzo.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

1.01%

58.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Webuzo	Webuzo	< 2.9.0

References

https://gist.github.com/omriinbar/5a24ccc2127ac61b6d9872c9405ebc8eThird Party Advisory
https://www.webuzo.com/blog/webuzo-2-9-0-launched/Release Notes, Vendor Advisory
https://gist.github.com/omriinbar/5a24ccc2127ac61b6d9872c9405ebc8eThird Party Advisory
https://www.webuzo.com/blog/webuzo-2-9-0-launched/Release Notes, Vendor Advisory

Timeline

Published: Sep 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40238?

How severe is CVE-2021-40238?

CVE-2021-40238 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40238?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-40238?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST