{"affected":[{"defaultStatus":"unaffected","product":"zipline","source":"CNA: VulnCheck","vendor":"diced","versions":[{"lessThan":"4.5.0","status":"affected","version":"4.3.0","versionType":"semver"},{"status":"unaffected","version":"4.5.0","versionType":"semver"}]}],"cveId":"CVE-2026-126946","cwes":["CWE-79"],"description":"Zipline from 4.3.0 before 4.5.0 contains a stored cross-site scripting vulnerability that allows authenticated low-privilege users to inject HTML through unescaped embed settings in SSR meta tags. Attackers can set malicious embedTitle, embedDescription, embedSiteName, or embedColor values via PATCH /api/user to execute JavaScript in browsers of visitors opening their file view pages.","epss":{"date":"2026-11-13","percentile":0.1452,"score":0.00235},"exploits":[{"kind":"exploit","source":"ADP: CISA-ADP","url":"https://github.com/diced/zipline/security/advisories/GHSA-9j96-vvqc-h9f8"}],"kev":null,"metrics":[{"score":5.1,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","version":"4.0"},{"score":5.4,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},{"score":5.1,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/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":5.4,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","version":"3.1"}],"modifiedAt":1794595194492,"publishedAt":1794562474387,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/diced/zipline/security/advisories/GHSA-9j96-vvqc-h9f8"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/zipline-4.3.0-before-4.5.0-stored-xss-via-ssr-embed-meta-tags"},{"source":"ADP: CISA-ADP","tags":["exploit"],"url":"https://github.com/diced/zipline/security/advisories/GHSA-9j96-vvqc-h9f8"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/diced/zipline/security/advisories/GHSA-9j96-vvqc-h9f8"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/zipline-4.3.0-before-4.5.0-stored-xss-via-ssr-embed-meta-tags"}],"remediation":[],"revision":"3d676149ebfb1d4d6eec502e4883edfab9933735547de891bc3d9988d7ffd6b8","sources":[{"modifiedAt":1794595194492,"name":"CNA: VulnCheck","retrievedAt":1794597886696,"url":"https://www.cve.org/CVERecord?id=CVE-2026-126946"},{"modifiedAt":1794584724843,"name":"NVD","retrievedAt":1794593942637,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126946"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794597922395,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-126946"}],"ssvc":{"assessedAt":1794595160284,"automatable":"no","exploitation":"poc","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Zipline 4.3.0 before 4.5.0 Stored XSS via SSR Embed Meta Tags","updatedAt":1794597922395}