---
id: CVE-2025-59035
aliases:
  - GHSA-7cf7-9wrr-vrf4
  - PYSEC-2026-1461
title: Indico vulnerable to Cross-Site Scripting via LaTeX math code
summary: Indico vulnerable to Cross-Site Scripting via LaTeX math code
severity: medium
cvss: 4.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N'
vendor: indico
product: indico
ecosystem: pip
affected:
  - indico < 3.3.8
patched:
  - indico 3.3.8
published: '2025-09-10'
updated: '2026-07-07'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-7cf7-9wrr-vrf4'
references:
  - url: 'https://github.com/indico/indico/security/advisories/GHSA-7cf7-9wrr-vrf4'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2025-59035'
  - url: 'https://github.com/indico/indico'
  - url: 'https://github.com/indico/indico/releases/tag/v3.3.8'
tags:
  - osv
  - pip
epss: 0.00201
epssPercentile: 0.08897
ingestedAt: '2026-07-08T18:25:46.967Z'
---

## Overview

### 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](https://github.com/indico/indico/releases/tag/v3.3.8) as soon as possible.
See [the docs](https://docs.getindico.io/en/stable/installation/upgrade/) 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](https://talk.getindico.io/)
- Email us privately at [indico-team@cern.ch](mailto:indico-team@cern.ch)

## Affected packages

- `indico < 3.3.8`

## Remediation

Upgrade to a patched release:

- `indico 3.3.8`