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CVE-2026-11712 is a cross-site scripting vulnerability affecting IBM WebSphere Application Server versions 9.0 and 8.5. The flaw exists in the administrative console’s integrated help system, where user-supplied input is not properly neutralized during web page generation. IBM’s advisory indicates the issue is remotely exploitable and can be triggered by a specially crafted link, causing malicious script to execute in the browser session of a user viewing the administrative console help content. The vulnerability affects WebSphere Application Server editions including Advanced, Base, Developer, Enterprise, Express, Network Deployment, and Single Server across supported platforms such as AIX, IBM i, Linux, Windows, and z/OS.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity cross-site scripting vulnerability in the integrated help system of the IBM WebSphere Application Server administrative console.
A critical cross-site scripting vulnerability affecting IBM WebSphere Application Server administrative console help system.
A cross-site scripting vulnerability in the IBM WebSphere Application Server administrative console help system.
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.