CVE-2021-38876

Name: CVE-2021-38876
Creator: NVD / NIST
Published: 2021-12-30T17:15:12.687+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2021-38876 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. IBM i 7.2, 7.3, and 7.4 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

IBM i 7.2, 7.3, and 7.4 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 208404.

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

0.63%

45.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Ibm	I	7.2
Ibm	I	7.3
Ibm	I	7.4

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/208404VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6537250Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/208404VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6537250Patch, Vendor Advisory

Timeline

Published: Dec 30, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-38876?

How severe is CVE-2021-38876?

CVE-2021-38876 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2021-38876?

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-2021-38876?

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

Scan your code now

Source: NVD / NIST