CVE-2021-41502

Name: CVE-2021-41502
Creator: NVD / NIST
Published: 2022-06-11T14:15:11.09+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2021-41502 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. An issue was discovered in Subrion CMS v4.2.1 There is a stored cross-site scripting (XSS) vulnerability that can execute malicious JavaScript code by modifying the name of the uploaded image, closing the html tag, or adding the onerror attribute.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

An issue was discovered in Subrion CMS v4.2.1 There is a stored cross-site scripting (XSS) vulnerability that can execute malicious JavaScript code by modifying the name of the uploaded image, closing the html tag, or adding the onerror attribute.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.51%

39.8th 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/885Exploit, Third Party Advisory
https://github.com/intelliants/subrion/issues/885Exploit, Third Party Advisory

Timeline

Published: Jun 11, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-41502?

How severe is CVE-2021-41502?

CVE-2021-41502 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2021-41502?

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-2021-41502?

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

Scan your code now

Source: NVD / NIST