{"id":"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.","aliases":["GHSA-5x9h-93gp-chpj"],"modified":"2026-08-12T03:51:20.606916646Z","published":"2026-05-06T08:34:00.746Z","database_specific":{"cna_assigner":"apache","cwe_ids":["CWE-79"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42509.json","unresolved_ranges":[{"extracted_events":[{"introduced":"8.0.0"},{"last_affected":"8.17.0"},{"introduced":"9.0.0"},{"last_affected":"9.22.0"},{"introduced":"10.0.0"},{"last_affected":"10.8.0"}],"source":"AFFECTED_FIELD"},{"extracted_events":[{"introduced":"8.0.0"},{"fixed":"8.17.0"},{"introduced":"10.0.0"},{"fixed":"10.8.0"}],"source":"DESCRIPTION"}]},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/wicket","events":[{"introduced":"5e789f1c98f6d57dba17f896c6220b0202af08a9"},{"last_affected":"40c938700a5926a721516efafa3f69399404d2f5"},{"introduced":"c2802f3ef8df9833da63d144fb4ad03d59e31acc"},{"last_affected":"cf5a9db60de3d286d1f451736f0ef40e622ae09b"}],"database_specific":{"cpe":"cpe:2.3:a:apache:wicket:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"8.0.0"},{"last_affected":"8.17.0"},{"introduced":"9.0.0"},{"last_affected":"9.22.0"}],"source":"CPE_RANGE"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-42509.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}