EUVD-2026-114903

Improper neutralization of input during web page generation in Apache Wicket. Apache Wicket generates JavaScript that refers to the elements it renders, and writes into that JavaScript two values it derives itself: a component's markup id, and the input name of a form component, which is built fr...

EUVD-2026-114901

Improper neutralization of input during web page generation in Apache Wicket. org.apache.wicket.markup.html.link.ExternalLink builds a JavaScript click handler and writes it into the tag's onclick attribute whenever the markup tag the component is bound to is not an a, link or area element. The U...

EUVD-2026-114902

Apache Wicket 10.10.0, 10.11.0 and 9.24.0 do not set the Content-Security-Policy headers on a page whose render request handler is wrapped in more than one IRequestHandlerDelegate. The framework unwraps only a single delegate level when deciding whether a request renders a page, so with a deeper...

EUVD-2026-114895

Improper neutralization of input during web page generation in Apache Wicket. org.apache.wicket.extensions.markup.html.basic.SmartLinkLabel and org.apache.wicket.extensions.markup.html.basic.SmartLinkMultiLineLabel display a text value and turn any URL they find in it into a hyperlink. Both escap...

EUVD-2026-114899

Files accessible to external parties in Apache Wicket. org.apache.wicket.markup.html.PackageResourceGuard decides whether a file on the classpath may be streamed to a client as a package resource. HTML is on the default allow list, so the only thing that separates a static HTML file, which may be...

EUVD-2026-114904

Apache Wicket reads texts from the application's resource bundles — a localized label, a css class name — and writes some of them into the JavaScript and the markup it generates for a component. Those texts are placed inside single-quoted JavaScript string literals and inside quoted attribute...

EUVD-2026-114897

Memory allocation with an excessive size value in Apache Wicket. org.apache.wicket.markup.html.form.upload.resource.FileUploadToResourceField uploads files to a separately mounted resource rather than through a form, and is told the outcome afterwards over its own Ajax callback. That callback rea...

EUVD-2026-114900

Incorrect behavior order in Apache Wicket: a file path is validated before the framework appends the attributes that complete it. org.apache.wicket.request.resource.PackageResource asks the configured package resource guard about a path built from the scope class' package and the file name in the...

EUVD-2026-114894

Improper neutralization of input during web page generation in Apache Wicket. org.apache.wicket.ajax.AjaxNewWindowNotifyingBehavior notices that a page instance has been opened in a second browser window or tab. It asks the browser for the value of window.name, which reaches the server as the...

EUVD-2026-114896

Improper encoding or escaping of output in Apache Wicket. org.apache.wicket.core.util.string.JavaScriptUtilsescapeQuotes replaces each single quote in its input with a backslash and a single quote, and each double quote with a backslash and a double quote, so that the value can be placed inside a...

EUVD-2026-114898

Allocation of resources without limits or throttling in Apache Wicket. org.apache.wicket.markup.html.form.upload.resource.AbstractFileUploadResource is the server side of the form-less upload offered by FileUploadToResourceField, which posts the selected files to a separately mounted resource...

EUVD-2026-114893

Incorrect order of security checks in Apache Wicket. org.apache.wicket.protocol.http.ResourceIsolationRequestCycleListener obtains the page a request targets before it consults its resource isolation policies, because those policies are passed that page. Obtaining the page instantiates it, and...

EUVD-2026-114889

Insufficient session expiration in Apache Wicket. org.apache.wicket.protocol.ws.WebSocketSettingsnewWebSocketRequest wraps the WebSocket upgrade request in an org.apache.wicket.protocol.ws.api.ServletRequestCopy, which is kept for the life of the connection and used to build the request for every...

EUVD-2026-114891

Missing authorization in Apache Wicket. org.apache.wicket.authorization.IAuthorizationStrategy declares isResourceAuthorized, and that method has a single enforcement point in the framework: org.apache.wicket.request.handler.resource.ResourceRequestHandler, the handler that serves a resource...

EUVD-2026-114892

Session fixation in Apache Wicket. org.apache.wicket.authroles.authentication.AuthenticatedWebSession is the authentication base class of Wicket's role-based security module, and its signInString, String method is the entry point through which an application authenticates a session. Renewing the...

EUVD-2026-114890

Missing authorization in Apache Wicket. org.apache.wicket.core.request.handler.ListenerRequestHandler invokes an IRequestListener only when org.apache.wicket.ComponentcanCallListener allows it, and that method is isEnabledInHierarchy && isVisibleInHierarchy. The visibility half reads a flag that...

EUVD-2026-114886

Missing authorization in Apache Wicket. org.apache.wicket.protocol.ws.api.WebSocketMessageBroadcastHandler, the request handler Wicket's native WebSocket support uses to deliver an incoming frame, resolves the shared resource named by the client's handshake parameter and calls...

EUVD-2026-114888

Missing authorization in Apache Wicket. org.apache.wicket.protocol.ws.api.WebSocketBehavior, through which Wicket's native WebSocket support hands a message sent by the client to the application, calls its onMessage callbacks without checking whether the client may invoke the component the behavi...

EUVD-2026-114887

Missing authorization in Apache Wicket. org.apache.wicket.markup.html.form.Form resolves the component that submitted a form from the request parameters in FormonRequest and passes the result directly to FormonFormSubmittedIFormSubmitter. The check that the submitting component is visible and...

CVE-2026-84231

Improper neutralization of input during web page generation in Apache Wicket. org.apache.wicket.markup.html.link.ExternalLink builds a JavaScript click handler and writes it into the tag's onclick attribute whenever the markup tag the component is bound to is not an a, link or area element. The U...