CVE-2021-45227

Name: CVE-2021-45227
Creator: NVD / NIST
Published: 2022-04-14T15:15:07.627+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.58%

Last modified Jun 17, 2026

CVE-2021-45227 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. An issue was discovered in COINS Construction Cloud 11.12. Due to an inappropriate use of HTML IFRAME elements, the file upload functionality is vulnerable to a persistent Cross-Site Scripting (XSS) attack.. EPSS estimates a 0.58% chance of exploitation in the next 30 days.

Description

An issue was discovered in COINS Construction Cloud 11.12. Due to an inappropriate use of HTML IFRAME elements, the file upload functionality is vulnerable to a persistent Cross-Site Scripting (XSS) attack.

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

0.58%

43.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Coins-Global	Coins Construction Cloud	11.12

References

https://appsource.microsoft.com/en-us/product/web-apps/constructionindustrysolutionslimited-5057232.coinsconstructioncloud?tab=overviewPatch, Product, Third Party Advisory
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-030.txtExploit, Third Party Advisory
https://appsource.microsoft.com/en-us/product/web-apps/constructionindustrysolutionslimited-5057232.coinsconstructioncloud?tab=overviewPatch, Product, Third Party Advisory
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-030.txtExploit, Third Party Advisory

Timeline

Published: Apr 14, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-45227?

How severe is CVE-2021-45227?

CVE-2021-45227 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.

How do I fix CVE-2021-45227?

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-2021-45227?

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

Scan your code now

Source: NVD / NIST