CVE-2026-42509
Reflected Cross-Site Scripting in Apache Wicket
Publication date: 2026-05-06
Last updated on: 2026-05-06
Assigner: Apache Software Foundation
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| apache | wicket | From 10.0.0 (inc) to 10.9.0 (exc) |
| apache | wicket | From 8.0.0 (inc) to 8.17.0 (inc) |
| apache | wicket | From 9.0.0 (inc) to 9.22.0 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-42509 is a Cross-site Scripting (XSS) vulnerability in Apache Wicket. It occurs due to improper neutralization of input during web page generation, which allows crafted strings to break out of the JavaScript sequence.
This means that an attacker can inject malicious scripts into web pages generated by affected versions of Apache Wicket, potentially leading to unauthorized script execution in users' browsers.
How can this vulnerability impact me? :
This vulnerability can allow attackers to execute malicious scripts in the context of the affected web application. This can lead to various impacts such as theft of user credentials, session hijacking, defacement of web pages, or redirection to malicious sites.
Users of affected Apache Wicket versions are at risk until they upgrade to version 10.9.0 or later, which contains the fix.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this Cross-site Scripting (XSS) vulnerability in Apache Wicket, users are recommended to upgrade to Apache Wicket version 10.9.0 or later, which contains the fix for this issue.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The provided information does not specify how the Apache Wicket Cross-site Scripting (XSS) vulnerability (CVE-2026-42509) impacts compliance with common standards and regulations such as GDPR or HIPAA.