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CVE-2026-18131 is a cross-site scripting vulnerability in IBM Financial Transaction Manager (FTM) for Red Hat OpenShift caused by improper neutralization of HTML input. A remote, unauthenticated attacker can craft malicious content that executes arbitrary JavaScript when rendered in an authenticated user's browser. Affected releases include FTM 4.0.6.0 through 4.0.10.0, including specified 4.0.6.0 iFix6 builds.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An improper HTML-input neutralization vulnerability in IBM Financial Transaction Manager for Red Hat OpenShift that could allow a remote attacker to execute arbitrary JavaScript in an authenticated user's browser.
An HTML-input neutralization flaw (CWE-79) in IBM Financial Transaction Manager for Red Hat OpenShift that permits arbitrary JavaScript execution in an authenticated user's browser. CVSS v3.1: 8.8 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:N).
Cross-site scripting flaw in IBM Financial Transaction Manager allowing remote arbitrary JavaScript execution in an authenticated user's browser.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.