PYSEC-2026-4228

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Import Source
https://github.com/pypa/advisory-database/blob/main/vulns/indico/PYSEC-2026-4228.yaml
JSON Data
https://api.osv.dev/v1/vulns/PYSEC-2026-4228
Aliases
Published
2026-10-15T10:22:53Z
Modified
2026-10-15T14:45:06Z
Severity
  • 4.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
Summary
Indico: Cross-Site-Scripting in minutes editor
Details

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 = True in indico.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:

References

Affected packages

PyPI / indico

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.3.13

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

Database specific

source
"https://github.com/pypa/advisory-database/blob/main/vulns/indico/PYSEC-2026-4228.yaml"