Gibbon v22.0.00 suffers from a stored XSS vulnerability within the wall messages component.
https://github.com/GibbonEdu/core/releases/download/v22.0.00/GibbonEduCore-InstallBundle.zip
https://github.com/GibbonEdu/core/blob/v22.0.01/CHANGELOG.txt
https://gibbonedu.org/
Source: Mitre, NVD
Published: 2021-09-13
Updated: 2026-06-17
Base Score: 3.5
Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:P/A:N
Severity: Low
Base Score: 5.4
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Severity: Medium
EPSS: 0.00241
