CVE-2026-126946
Zipline 4.3.0 before 4.5.0 Stored XSS via SSR Embed Meta Tags
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| zipline diced |
≥ 4.3.0; < 4.5.0 (affected, semver) 4.5.0 (unaffected, semver) Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 5.1 medium |
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 | CNA: VulnCheck |
| 3.1 / 5.4 medium |
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N | CNA: VulnCheck |
| 4.0 / 5.1 medium |
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 | NVD: [email protected] |
| 3.1 / 5.4 medium |
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N | NVD: [email protected] |
Exploit evidence
- https://github.com/diced/zipline/security/advisories/GHSA-9j96-vvqc-h9f8
exploit · ADP: CISA-ADP
References
- https://github.com/diced/zipline/security/advisories/GHSA-9j96-vvqc-h9f8CNA: VulnCheck · vendor-advisory
- https://www.vulncheck.com/advisories/zipline-4.3.0-before-4.5.0-stored-xss-via-ssr-embed-meta-tagsCNA: VulnCheck · third-party-advisory
- https://github.com/diced/zipline/security/advisories/GHSA-9j96-vvqc-h9f8ADP: CISA-ADP · exploit
- https://github.com/diced/zipline/security/advisories/GHSA-9j96-vvqc-h9f8[email protected]
- https://www.vulncheck.com/advisories/zipline-4.3.0-before-4.5.0-stored-xss-via-ssr-embed-meta-tags[email protected]
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