CVE-2021-34243

Name: CVE-2021-34243
Creator: NVD / NIST
Published: 2021-06-22T14:15:08.893+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2021-34243 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A stored cross site scripting (XSS) vulnerability was discovered in Ice Hrm 29.0.0.OS which allows attackers to execute arbitrary web scripts or HTML via a crafted file uploaded into the Document Management tab. The exploit is triggered when a user visits the upload location of the crafted file.. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

A stored cross site scripting (XSS) vulnerability was discovered in Ice Hrm 29.0.0.OS which allows attackers to execute arbitrary web scripts or HTML via a crafted file uploaded into the Document Management tab. The exploit is triggered when a user visits the upload location of the crafted file.

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

0.60%

43.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Icehrm	Icehrm	29.0.0.os

References

https://github.com/xoffense/POC/blob/main/Stored%20XSS%20via%20malicious%20file%20upload%20in%20ICE%20Hrm%20Version%2029.0.0.OS.mdExploit, Third Party Advisory
https://github.com/xoffense/POC/blob/main/Stored%20XSS%20via%20malicious%20file%20upload%20in%20ICE%20Hrm%20Version%2029.0.0.OS.mdExploit, Third Party Advisory

Timeline

Published: Jun 22, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-34243?

How severe is CVE-2021-34243?

CVE-2021-34243 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2021-34243?

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-2021-34243?

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

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Source: NVD / NIST