CVE-2026-66390

EUVD-2026-49372
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
apacheCNA
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
apachewicket
9.0.0 ≤
𝑥
≤ 9.23.0
CNA
apachewicket
10.0.0 ≤
𝑥
≤ 10.9.0
CNA
Common Weakness Enumeration
References
https://lists.apache.org/thread/67814fo0zocv3161bk1cr0ypvrkxky43
http://www.openwall.com/lists/oss-security/2026/07/27/4