CVE-2025-59035: Indico vulnerable to Cross-Site Scripting via LaTeX math code
Impact There is a Cross-Site-Scripting vulnerability when rendering LaTeX math code in contribution or abstract descriptions.
Patches You should to update to Indico 3.3.8 as soon as possible. See the docs for instructions on how to update.
Workarounds Only let trustworthy users create content on Indico.
Note that a conference doing a Call for Abstracts actively invites external speakers (who the organizers may not know and thus cannot fully trust) to submit content, hence the need to update to a a fixed version ASAP in particular when using such workflows.
For more information If you have any questions or comments about this advisory:
- Open a thread in our forum - Email us privately at indico-team@cern.ch
Other sources
Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. Prior to version 3.3.8, there is a Cross-Site-Scripting vulnerability when rendering LaTeX math code in contribution or abstract descriptions. Users should to update to Indico 3.3.8 as soon as possible. As a workaround, only let trustworthy users create content on Indico. Note that a conference doing a Call for Abstracts actively invites external speakers (who the organizers may not know and thus cannot fully trust) to submit content, hence the need to update to a a fixed version ASAP in particular when using such workflows.
— MITRE
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2025-59035?
CVE-2025-59035 is classified as a medium severity Cross-Site Scripting (XSS) vulnerability.
How do I fix CVE-2025-59035?
To fix CVE-2025-59035, update Indico to version 3.3.8 or later.
What does CVE-2025-59035 affect?
CVE-2025-59035 affects Indico prior to version 3.3.8, specifically when rendering LaTeX math code in contribution or abstract descriptions.
What type of vulnerability is CVE-2025-59035?
CVE-2025-59035 is a Cross-Site Scripting (XSS) vulnerability that can be exploited through improperly handled input.
Can CVE-2025-59035 be exploited by unauthenticated users?
Yes, CVE-2025-59035 can potentially be exploited by unauthenticated users who can contribute or submit abstract descriptions.