GHSA-r75g-r7w6-363hMediumCVSS 6.1

JupyterLab before 4.5.9 contains a stored cross-site scripting vulnerability in the Extension...

Published
August 1, 2026
Last Modified
August 1, 2026

🔗 CVE IDs covered (1)

📋 Description

JupyterLab before 4.5.9 contains a stored cross-site scripting vulnerability in the Extension Manager that fails to validate URI protocols in package metadata URLs. Attackers can publish malicious PyPI packages with javascript: URLs in project metadata that execute arbitrary JavaScript in the JupyterLab origin when users click the extension name.

🔗 References (6)