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Financial Transaction Manager CVE-2026-18131

| EUVDEUVD-2026-84953 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-09-22 ibm GHSA-59ph-2xpw-mvg5
6.1
CVSS 3.1 · NVD
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Severity by source

Vendor (ibm) PRIMARY
HIGH
qualitative
NVD
6.1 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
vuln.today AI
6.1 MEDIUM

Network XSS needing victim interaction (UI:R, PR:N); scope change to the user's browser (S:C); browser-context script yields C:L/I:L, not I:H as the vendor rated.

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Primary rating from Vendor (ibm).

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

5
Severity Changed
Oct 07, 2026 - 16:07 NVD
HIGH MEDIUM
CVSS changed
Oct 07, 2026 - 16:07 NVD
8.2 (HIGH) 6.1 (MEDIUM)
Metadata Corrected
Sep 22, 2026 - 22:40 vuln.today
tag: Openshift added
Analysis Generated
Sep 22, 2026 - 22:40 vuln.today
CVE Published
Sep 22, 2026 - 21:47 nvd
HIGH 8.2

DescriptionNVD

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.

AnalysisAI

Cross-site scripting in IBM Financial Transaction Manager (FTM) for Red Hat OpenShift allows a remote, unauthenticated attacker to inject HTML/JavaScript that executes in the browser of a logged-in FTM operator, because HTML input is not properly neutralized (CWE-79). Exploitation requires the victim to load attacker-controlled content while holding an authenticated FTM session, so a successful attack is gated on user interaction and is confined to the victim's browser context rather than the FTM host itself. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Vulnerability AssessmentAI

Exploitation Exploitation requires that an authenticated FTM operator view attacker-controlled content in the FTM web UI where HTML/JavaScript input is improperly neutralized (CWE-79). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a stored/reflected cross-site scripting (CWE-79) issue in IBM Financial Transaction Manager (FTM) for RedHat OpenShift. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation IBM reports that a patch is available from the vendor, so the primary action is to apply the fix identified in IBM's security bulletin at https://www.ibm.com/support/pages/node/7288641 - the reference points to a support-page advisory rather than a named release, so the exact fixed fix-pack or image tag should be taken directly from that page (patch available per vendor advisory; no precise version was supplied in the source data). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, inventory every FTM for Red Hat OpenShift deployment against the IBM vendor advisory to confirm which builds are affected, raise change requests for the vendor-released fix, and - where patching cannot happen same-day - restrict operator and administrative access to trusted networks and tighten session timeouts. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-18131 vulnerability details – vuln.today

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