CVE-2026-42509
Apache Wicket: crafted 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 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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2026-42509- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List
Apache Wicket: crafted 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 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.
- Record
CVE-2026-42509- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-27556
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.
- Record
EUVD-2026-27556- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5x9h-93gp-chpj
Apache Wicket has a Cross-site Scripting issue
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.
- Record
GHSA-5x9h-93gp-chpj- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Apache Wicket: crafted 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 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.
- Record
CVE-2026-42509- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVGHSA-5x9h-93gp-chpj
Apache Wicket has a Cross-site Scripting issue
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.
- Record
GHSA-5x9h-93gp-chpj- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.wicket:wicket-parentMaven |
8.0.0-M1 to 8.17.0 | None known |
org.apache.wicket:wicket-parentMaven |
9.0.0-M1 to 9.22.0 | None known |
org.apache.wicket:wicket-parentMaven |
10.0.0-M1 to 10.8.0 | 10.9.0 |
org.apache.wicket:wicket-parentMaven |
8.0.0-M1 to 8.17.0, plus listed versions 8.0.08.0.0-M28.0.0-M38.0.0-M48.0.0-M5 Show 21 moreShow less8.0.0-M68.0.0-M78.0.0-M88.0.0-M98.1.08.10.08.11.08.12.08.13.08.14.08.15.08.16.08.2.08.3.08.4.08.5.08.6.08.6.18.7.08.8.08.9.0 |
None known |
org.apache.wicket:wicket-parentMaven |
9.0.0-M1 to 9.22.0, plus listed versions 9.0.09.0.0-M29.0.0-M39.0.0-M49.0.0-M5 Show 22 moreShow less9.1.09.10.09.11.09.12.09.13.09.14.09.15.09.16.09.17.09.18.09.19.09.2.09.20.09.21.09.3.09.4.09.5.09.6.09.7.09.8.09.9.09.9.1 |
None known |
org.apache.wicket:wicket-parentMaven |
10.0.0-M1 up to 10.9.0, plus listed versions 10.0.010.0.0-M210.1.010.2.010.3.0 Show 5 moreShow less10.4.010.5.010.6.010.7.010.8.0 |
10.9.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-42509 is a medium vulnerability (CVSS 6.1) in Apache Wicket, published May 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. Fixed in org.apache.wicket:wicket-parent 10.9.0.