CVE-2026-42509CWE-79

Apache Wicket: crafted strings can break out of the JavaScript sequence

Medium · published May 6, 2026

CVSS v3.1
6.1
EPSS
1%
Percentile
46.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00573 · 46.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-05-06T08:34Z
EPSS history
Timeline
  • 06 MAY 08:34Z
    Apache Wicket: crafted strings can break out of the JavaScript sequence
    cvelistv5