[ CVE-2026-107397 · Published 8 Oct 2026 ]

Indico: Cross-Site-Scripting in minutes editor

CVSS 4.4 EPSS <1%Fix available

[ Description ]Official description

Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. Prior to 3.3.13, users who can create content, including speakers who can create minutes, can store crafted HTML in event minutes. When concurrent edits are made to the same minutes, the minute editor conflict UI can execute attacker-controlled script in the viewer's browser in the Indico origin. This issue is fixed in version 3.3.13.

[ Fixes ]Fixes and patches

  • indico 3.3.13Fixed version · GitHub Advisories · pip package indico: upgrade to 3.3.13 or later (affected < 3.3.13)

[ Packages ]Affected open-source packages