5.4 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
0.001 Low
EPSS
Percentile
25.9%
There is a Cross-Site-Scripting vulnerability in confirmation prompts commonly used when deleting content from Indico.
Exploitation requires someone with at least submission privileges (such as a speaker) and then someone else to attempt to delete this content.
Considering that event organizers may want to delete suspicious-looking content when spotting it, there is a non-negligible risk of such an attack to succeed. The risk of this could be further increased when combined with some some social engineering pointing the victim towards this content.
You need to update to Indico 3.2.6 as soon as possible.
See the docs for instructions on how to update.
Only let trustworthy users manage categories, create events or upload materials (“submission” privileges on a contribution/event). This should already be the case in a properly-configured setup when it comes to category/event management.
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:
docs.getindico.io/en/stable/installation/upgrade
github.com/indico/indico
github.com/indico/indico/commit/2ee636d318653fb1ab193803dafbfe3e371d4130
github.com/indico/indico/releases/tag/v3.2.6
github.com/indico/indico/security/advisories/GHSA-fmqq-25x9-c6hm
github.com/pypa/advisory-database/tree/main/vulns/indico/PYSEC-2023-129.yaml
nvd.nist.gov/vuln/detail/CVE-2023-37901