XSS in IBM Financial Transaction Manager

CVE-2026-18131

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote attacker to execute arbitrary JavaScript in an authenticated user's browser due to improper neutralization of HTML input.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (12.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-18131: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-18131?
CVE-2026-18131 is a high-severity vulnerability in IBM Financial Transaction Manager, classified under Cross-site Scripting. CVSS score: 8.2/10. Published 2026-09-22.
How severe is CVE-2026-18131?
High severity. CVSS v3 base score is 8.2 out of 10.