Improper sanitization in the registration module allows reflected Cross-Site Scripting.
https://www.phpbb.com/community/viewtopic.php?t=2675305
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-109101
Source: Mitre, NVD
Published: 2026-10-23
Updated: 2026-10-23
Base Score: 9.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:P
Severity: High
Base Score: 8.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
