CVE-2021-41261: Stored Cross-site Scripting in Galette

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-12-16 · updated 2026-06-17
Weakness: CWE-79

Description

Galette is a membership management web application built for non profit organizations and released under GPLv3. Versions prior to 0.9.6 are subject to stored cross site scripting attacks via the preferences footer. The preference footer can only be altered by a site admin. This issue has been resolved in the 0.9.6 release and all users are advised to upgrade. There are no known workarounds.

Affected products

galette: before 0.9.6 — fixed in 0.9.6

How to fix

Upgrade to a fixed version: galette 0.9.6. Check the vendor advisory for mitigations.

References

https://github.com/galette/galette/commit/0d55bc7f420470e0dbca91ebe7899c592905cbc5
https://github.com/galette/galette/security/advisories/GHSA-28fg-cp22-6c33
https://github.com/galette/galette/commit/0d55bc7f420470e0dbca91ebe7899c592905cbc5
https://github.com/galette/galette/security/advisories/GHSA-28fg-cp22-6c33

Get alerted when CVE-2021-41261 or the next vulnerability affects your stack