CVE-2021-43724

Name: CVE-2021-43724
Creator: NVD / NIST
Published: 2022-02-24T15:15:23.95+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.49%

Last modified Jun 17, 2026

CVE-2021-43724 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. A Cross Site Scripting (XSS) vulnerability exits in Subrion CMS through 4.2.1 in the Create Page functionality of the admin Account via a SGV file.. EPSS estimates a 0.49% chance of exploitation in the next 30 days.

Description

A Cross Site Scripting (XSS) vulnerability exits in Subrion CMS through 4.2.1 in the Create Page functionality of the admin Account via a SGV file.

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

0.49%

38.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Intelliants	Subrion Cms	<= 4.2.1

References

https://github.com/intelliants/subrion/issues/890Exploit, Issue Tracking, Third Party Advisory
https://github.com/intelliants/subrion/issues/890Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Feb 24, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-43724?

A Cross Site Scripting (XSS) vulnerability exits in Subrion CMS through 4.2.1 in the Create Page functionality of the admin Account via a SGV file.

How severe is CVE-2021-43724?

CVE-2021-43724 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.

How do I fix CVE-2021-43724?

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-2021-43724?

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

Scan your code now

Source: NVD / NIST