CVE-2026-126945

CVSS 9.3 (critical) · published 2026-11-13

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.

Weakness: CWE-79

Source: NVD CVE-2026-126945

References

• https://github.com/diced/zipline/security/advisories/GHSA-m649-gvwx-j6qv
• https://www.vulncheck.com/advisories/zipline-before-4.5.1-stored-xss-via-highlightcode-component

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