CVE-2026-42509: Apache Wicket has a Cross-site Scripting issue

May 6, 2026 (updated May 11, 2026)

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

github.com/advisories/GHSA-5x9h-93gp-chpj
lists.apache.org/thread/52nrq4tt07gxz4r6sj5gyocz5s6bprjp
nvd.nist.gov/vuln/detail/CVE-2026-42509

Code Behaviors & Features

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