Apache Wicket: crafted strings can break out of the JavaScript sequence
Priority LOW 27CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-79.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00357 29th percentileScored 2026-11-07
Fix Fixed org.apache.wicket:wicket-parent (Maven): 10.9.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apache | Apache Wicket | 8.0.0 – 8.17.0; 9.0.0 – 9.22.0; 10.0.0 – 10.8.0 | — | No fix listed | CNA |
| — | org.apache.wicket:wicket-parent (Maven) | 8.0.0-M1 – 8.17.0 | — | No fix listed | GHSA-5x9h-93gp-chpj |
| — | org.apache.wicket:wicket-parent (Maven) | 9.0.0-M1 – 9.22.0 | — | No fix listed | GHSA-5x9h-93gp-chpj |
| — | org.apache.wicket:wicket-parent (Maven) | 10.0.0-M1 to before 10.9.0 | 10.9.0 | Patch available | GHSA-5x9h-93gp-chpj |
- Apache Wicket VendorApache Affected 8.0.0 – 8.17.0; 9.0.0 – 9.22.0; 10.0.0 – 10.8.0 Fixed in — No fix listed CNA
- org.apache.wicket:wicket-parent (Maven) Vendor— Affected 8.0.0-M1 – 8.17.0 Fixed in — No fix listed GHSA-5x9h-93gp-chpj
- org.apache.wicket:wicket-parent (Maven) Vendor— Affected 9.0.0-M1 – 9.22.0 Fixed in — No fix listed GHSA-5x9h-93gp-chpj
- org.apache.wicket:wicket-parent (Maven) Vendor— Affected 10.0.0-M1 to before 10.9.0 Fixed in 10.9.0 Patch available GHSA-5x9h-93gp-chpj
Remediation
- Fix · GHSA-5x9h-93gp-chpj org.apache.wicket:wicket-parent (Maven) Fixed in 10.9.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-42509
- 2026-10-03 Alias added: GHSA-5x9h-93gp-chpj
References
More Apache Wicket vulnerabilities
- TI-2016-05834 The DiskFileItem class in Apache Wicket 6.x before 6.25.0 and 1.5.x before 1.5.17 allows… CVSS 3.0CRITICAL 9.1
- TI-2026-28853 Apache Wicket: possible session fixation using AuthenticatedWebSession CVSS 3.1CRITICAL 9.1
- TI-2024-24295 Apache Wicket: Remote code execution via XSLT injection CVSS 3.1CRITICAL 9.8
- TI-2026-49926 Apache Wicket: Configured file upload limits are not enforced when the multipart request has already been parsed CVSS 3.1HIGH 7.5
- TI-2021-06275 DNS proxy and possible amplification attack CVSS 3.1HIGH 7.5
- TI-2016-05847 Cross-site request forgery in Apache Wicket CVSS 3.0HIGH 8.8
Sources
- CVE-2026-42509 · CVE Program
- CVE-2026-42509 · NVD
- FIRST EPSS
- GHSA-5x9h-93gp-chpj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences