{"id":"CVE-2026-126945","summary":"Zipline before 4.5.1 Stored XSS via HighlightCode Component","details":"Zipline before 4.5.1 contains a stored cross-site scripting vulnerability in the HighlightCode component that renders unescaped file content before highlight.js finishes loading. Authenticated attackers can upload text files containing HTML/JavaScript payloads that execute in viewers' browsers, enabling API calls such as account changes on the victim's behalf.","aliases":["GHSA-m649-gvwx-j6qv"],"modified":"2026-11-15T02:46:23.327699089Z","published":"2026-11-13T09:34:35.069Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-79"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126945.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126945.json"},{"type":"ADVISORY","url":"https://github.com/diced/zipline/security/advisories/GHSA-m649-gvwx-j6qv"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126945"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/zipline-before-4.5.1-stored-xss-via-highlightcode-component"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/diced/zipline","events":[{"introduced":"0"},{"fixed":"00ddf86ea84416f7ababcd6d7686cff86a41fa81"}],"database_specific":{"extracted_events":[{"strategy":"StandardRange","range":[{"introduced":"0"},{"fixed":"4.5.1"}],"source":"AFFECTED_FIELD"},{"range":[{"introduced":"0"},{"fixed":"4.5.1"}],"source":"DESCRIPTION"}]}}],"versions":["v4.5.0","v4.4.2","v4.4.1","v4.4.0","v4.3.2","v4.3.1","v4.3.0","v4.2.3","v4.2.2","v4.2.1","v4.2.0","v4.1.2","v4.1.1","v4.1.0","v4.0.2","v4.0.1","v4.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-126945.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N"}]}