{"affected":[{"defaultStatus":"unaffected","product":"zipline","source":"CNA: VulnCheck","vendor":"diced","versions":[{"lessThan":"4.5.1","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"4.5.1","versionType":"semver"}]}],"cveId":"CVE-2026-126945","cwes":["CWE-79"],"description":"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.","epss":{"date":"2026-11-13","percentile":0.30948,"score":0.00367},"exploits":[],"kev":null,"metrics":[{"score":9.3,"severity":"critical","source":"CNA: VulnCheck","vector":"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","version":"4.0"},{"score":8.7,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","version":"3.1"},{"score":9.3,"severity":"critical","source":"NVD: disclosure@vulncheck.com","vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":8.7,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","version":"3.1"}],"modifiedAt":1794585585667,"publishedAt":1794562475069,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/diced/zipline/security/advisories/GHSA-m649-gvwx-j6qv"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/zipline-before-4.5.1-stored-xss-via-highlightcode-component"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/diced/zipline/security/advisories/GHSA-m649-gvwx-j6qv"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/zipline-before-4.5.1-stored-xss-via-highlightcode-component"}],"remediation":[],"revision":"8b6522efd83b79bf6b6d6ffbf9c759fe69aa95a7323a6e9ac7b1db0f3fc8678c","sources":[{"modifiedAt":1794585585667,"name":"CNA: VulnCheck","retrievedAt":1794586247709,"url":"https://www.cve.org/CVERecord?id=CVE-2026-126945"},{"modifiedAt":1794565081600,"name":"NVD","retrievedAt":1794572227462,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126945"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794586249310,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-126945"}],"ssvc":{"assessedAt":1794584104774,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"Zipline before 4.5.1 Stored XSS via HighlightCode Component","updatedAt":1794586249310}