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org.apache.wicket:wicket-core

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Advisories & recorded fixes

high7.6
CVE-2026-111089

Apache Wicket: XSS via a resource bundle text written unescaped into generated JavaScript and markup

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 values without being escaped for that context, so a text containing a quote ends the literal or the attribute, and what follows is parsed as script or as markup in the application's origin when the page loads.

No structured fix or guidance is available here. Check the latest publisher advisory.

Exploitation not established

Apache Software Foundation · Apache Wicket
low2.3
CVE-2026-87718

Apache Wicket: CSP headers silently omitted for pages served through nested request handler delegates

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 chain, for example an application-provided delegating request mapper combined with CryptoMapper, the page is served without any CSP header even though CSP is enabled, and no error or warning is raised. The nonce-based protection Wicket applies to inline scripts and styles, together with any other CSP directives configured by the application, is thereby lost for those pages, exposing them to content injection the policy was meant to prevent. Applications on stock Wicket that do not wrap request handlers themselves are not affected. Versions before 10.10.0 and 9.24.0 handled nested delegates correctly. Users are recommended to upgrade to version 10.12.0 or 9.25.0, which fix the issue.

No structured fix or guidance is available here. Check the latest publisher advisory.

Exploitation not established

Apache Software Foundation · Apache Wicket