Vulnerability PYSEC-2026-1461

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 [email protected]