Chamilo 1.11.x up to 1.11.20 allows users with admin privilege account to insert XSS in the classes/usergroups management section.

Original description

The description as published by the source.

Source: OSV.dev (Open Source Vulnerabilities) NVD OSV

References

• advisory github.com
• advisory nvd.nist.gov
• patch github.com
• web support.chamilo.org