CVE-2026-42509: Apache Wicket: crafted strings can break out of the JavaScript sequence

Pedro Henrique Oliveira dos Santos <[email protected]> Tue, 05 May 2026 23:16:51 +0000
Newsgroups gmane.comp.java.wicket.devel,gmane.comp.apache.maven.announce,gmane.comp.jakarta.jmeter.user,gmane.comp.apache.maven.announce
Message-ID <[email protected]>
Severity: important=20

Affected versions:

- Apache Wicket 8.0.0 through 8.17.0
- Apache Wicket 9.0.0 through 9.22.0
- Apache Wicket 10.0.0 through 10.8.0

Description:

Improper Neutralization of Input During Web Page Generation ('Cross-site =
Scripting') vulnerability in Apache Wicket.

This issue affects Apache Wicket: from 8.0.0 through 8.17.0, 9.0.0, from 10=
.0.0 through 10.8.0.

Users are recommended to upgrade to version 10.9.0, which fixes the issue.

References:

https://wicket.apache.org/
https://www.cve.org/CVERecord?id=3DCVE-2026-42509