Indico: Cross-Site-Scripting in link fields
### Impact There is a Cross-Site-Scripting vulnerability in fields that allow entering custom URLs. ### Patches You should to update to [Indico 3.3.13](https://github.com/indico/indico/releases/tag/v3.3.13) as soon as possible. See [the docs](https://docs.getindico.io/en/stable/installation/upgrade/) for instructions on how to update. ### Workarounds - Set `CSP_ENABLED = True` in `indico.conf` - **this is recommended regardless of updating**. - Only let trustworthy users manage events or create content (including material uploads which speakers can typically do as well) on Indico. ### 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)
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-107396US | — | — | ||
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 manage events or create content, inc… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/indico/indicoPACKAGE
- https://github.com/indico/indico/commit/d4c8c7127176efa4cb53c64119ca8ee2b551be18WEB
- https://github.com/indico/indico/pull/7619WEB
- https://github.com/indico/indico/releases/tag/v3.3.13WEB
- https://github.com/indico/indico/security/advisories/GHSA-c4wc-ggrj-jg9vWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-107396ADVISORY
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