by Kastro
Paper/Archive/CVE-2026-126945

CVE-2026-126945

diced zipline — Zipline before 4.5.1 Stored XSS via HighlightCode Component

CVSS 9.3
critical.is priorityof 100
28
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0No EPSS score.000 × 200.0No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
zipline< 4.5.14.5.1CNA

Scores by source

VulnCheck (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
VulnCheck (CNA)8.7CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

References

advisorygithub.com/diced/zipline/security/advisories/GHSA-m649-gvwx-j6qvwriteupvulncheck.com/advisories/zipline-before-4.5.1-stored-xss-via-highlightcode-component