GUnet Open eClass (aka openeclass) before 3.12.2 allows XSS via the modules/auth/formuser.php auth parameter.
https://emaragkos.gr/cve-2021-44266/
https://docs.openeclass.org/el/current#%CE%AD%CE%BA%CE%B4%CE%BF%CF%83%CE%B7_3122
https://hg.gunet.gr/openeclass/rev/e0ed11f5768d
Source: Mitre, NVD
Published: 2022-06-11
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00349