Indico: Cross-Site-Scripting in minutes editor
Impact
There is a Cross-Site-Scripting vulnerability in the minute editor conflict UI tha's shown when concurrent edits are made to the same minutes in an event.
Patches
You should to update to Indico 3.3.13 as soon as possible. See the docs for instructions on how to update.
Workarounds
- Set
CSP_ENABLED = Trueinindico.conf- this is recommended regardless of updating. - Only let trustworthy users create content (including minutes 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
- Email us privately at indico-team@cern.ch
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | indico | < 3.3.13 | 3.3.13 |
References
- https://github.com/indico/indico/security/advisories/GHSA-cw24-x4mj-fw3q
- https://nvd.nist.gov/vuln/detail/CVE-2026-107397
- https://github.com/indico/indico/pull/7619
- https://github.com/indico/indico/commit/d4c8c7127176efa4cb53c64119ca8ee2b551be18
- https://github.com/indico/indico
- https://github.com/indico/indico/releases/tag/v3.3.13
- https://pypi.org/project/indico
- https://github.com/advisories/GHSA-cw24-x4mj-fw3q
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Python (PyPI)
- Package
indico- Disclosed
- 08.10.2026
- Updated
- 15.10.2026 18:17
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-4228 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-cw24-x4mj-fw3q - CC BY 4.0
Vulnerability history: indico
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 16
- First → latest
- 10.2019 10.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 3
- Medium 13
Disclosures per year
- 2019: 1
- 2020: 0
- 2021: 1
- 2022: 0
- 2023: 1
- 2024: 1
- 2025: 4
- 2026: 8
-
Indico: Cross-Site-Scripting in minutes editor this entry
Know which vulnerabilities affect your application
With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.