{"id":"CVE-2026-42509","aliases":["GHSA-5x9h-93gp-chpj"],"url":"https://o3.security/vulnerability/CVE-2026-42509","summary":"Apache Wicket: crafted strings can break out of the JavaScript sequence","details":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Apache Wicket.\n\nThis issue affects Apache Wicket: from 8.0.0 through 8.17.0, 9.0.0, from 10.0.0 through 10.8.0.\n\nUsers are recommended to upgrade to version 10.9.0, which fixes the issue.","published":"2026-05-06T08:34:00.746Z","modified":"2026-08-12T03:51:20.606916646Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":{"score":0.00357,"percentile":0.28333,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.wicket:wicket-parent","fixedVersion":null},{"ecosystem":"Maven","name":"org.apache.wicket:wicket-parent","fixedVersion":null},{"ecosystem":"Maven","name":"org.apache.wicket:wicket-parent","fixedVersion":"10.9.0"}],"fix":null,"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/05/06/2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42509.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/52nrq4tt07gxz4r6sj5gyocz5s6bprjp"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42509"},{"type":"PACKAGE","url":"https://github.com/apache/wicket"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:20.606916646Z"}}