What is CVE-2023-38364?

CVE-2023-38364 is a medium-severity vulnerability in IBM Cics Tx, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-11-13.

How severe is CVE-2023-38364?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in IBM Cics Tx

CVE-2023-38364

IBM CICS TX Advanced 10.1 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: 260821.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-11-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (38.2th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

IBM Cics Tx — versions 10.1
IBM Cics Tx Advanced — versions 10.1
Linux Kernel

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.ibm.com/support/pages/node/7066429 (vendor-advisory, Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/260821 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2023-38364?: CVE-2023-38364 is a medium-severity vulnerability in IBM Cics Tx, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-11-13.
How severe is CVE-2023-38364?: Medium severity. CVSS v3 base score is 6.1 out of 10.