CVE-2026-42509NVD

Vulnerability Summary

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.

Severity Level

MEDIUM(6.1)

Published Date

May 6, 2026

Last Modified

May 7, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.18%Probability

Root Weakness (CWE)

CWE-79: Cross-site Scripting (XSS) ↗

The software does not neutralize user-controllable input before it is placed in output that is used as a web page.

CVSS v3.1 Base Metrics — Score 6.1 (MEDIUM)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

ConfidentialityLow

IntegrityLow

AvailabilityNone

Affected & Patched Versions

Affected Versions

Apache Wicket >= 8.0.0 and <= 8.17.0
Apache Wicket >= 9.0.0 and <= 9.22.0
Apache Wicket >= 10.0.0 and < 10.9.0

Patched Versions

Apache Wicket 10.9.0

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