Apache Wicket <10.10.0 XSS Vulnerability (CWE-79)
CVE-2026-66390 Published on July 27, 2026
Apache Wicket: crafted Link URL strings can break out of the JavaScript sequence
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Apache Wicket.
This issue affects Apache Wicket: from 9.0.0 through 9.23.0, from 10.0.0 through 10.9.0.
Users are recommended to upgrade to version 10.10.0, which fixes the issue.
Vulnerability Analysis
CVE-2026-66390 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2026-66390 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2026-66390
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Affected Versions
Apache Software Foundation Apache Wicket:- Version 9.0.0, <= 9.23.0 is affected.
- Version 10.0.0, <= 10.9.0 is affected.