PYSEC-2026-4227
See a problem?- Import Source
- https://github.com/pypa/advisory-database/blob/main/vulns/indico/PYSEC-2026-4227.yaml
- JSON Data
- https://api.osv.dev/v1/vulns/PYSEC-2026-4227
- Aliases
- Published
- 2026-10-15T10:22:53Z
- Modified
- 2026-10-15T14:45:06Z
- Severity
-
- 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
- Summary
- Indico: Cross-Site-Scripting in link fields
- Details
-
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 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 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
- Email us privately at indico-team@cern.ch
- Set
- References
-
- https://github.com/indico/indico/security/advisories/GHSA-c4wc-ggrj-jg9v
- https://nvd.nist.gov/vuln/detail/CVE-2026-107396
- 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-c4wc-ggrj-jg9v
Affected packages
PyPI / indico
Package
- Name
- indico
- View open source insights on deps.dev
- Purl
- pkg:pypi/indico
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affectedFixed3.3.13
Affected versions
0.*
0.98-rc1
0.98.0
0.98.1
0.98.2
0.99
1.*
1.0
1.1
1.1.1
1.1.2
1.2
1.2.1rc2
1.2.1rc4
1.2.1rc5
1.2.1rc6
1.2.1rc7
1.2.1rc9
1.2.1rc10
1.2.1rc11
1.2.1
1.2.2rc1
1.2.2
1.9.11.dev3
1.9.11.dev4
1.9.11.dev6
1.9.11.dev7
1.9.11.dev8
1.9.11.dev9
1.9.11.dev10
1.9.11.dev11
1.9.11.dev12
1.9.11.dev13
1.9.11.dev14
1.9.11.dev15
1.9.11.dev16
1.9.11.dev17
2.*
2.0a1
2.0rc1
2.0rc2
2.0
2.0.1
2.0.2
2.0.3
2.1
2.1.1
2.1.2
2.1.3
2.1.4
2.1.5
2.1.6
2.1.7
2.1.8
2.1.9
2.1.10
2.1.11
2.2
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
2.2.7
2.2.8
2.3
2.3.1
2.3.2
2.3.3
2.3.4
2.3.5
3.*
3.0rc1
3.0rc2
3.0
3.0.1
3.0.2
3.0.3
3.1
3.1.1
3.2
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
3.2.8
3.2.9
3.3
3.3.1
3.3.2
3.3.3
3.3.4
3.3.5
3.3.6
3.3.7
3.3.8
3.3.9
3.3.10
3.3.11
3.3.12