Cross-Site Scripting (XSS) vulnerability in adm/sms_admin/num_book_write.php and adm/sms_admin/num_book_update.php in gnuboard5 before 5.3.1.6 allows remote attackers to inject arbitrary web script or HTML.
https://github.com/gnuboard/gnuboard5/commit/b1fc952c7600b825c4b02e2789ddafdea18c8d13#diff-737f14a5f5bdad53c5ce9b3ec628bf6d
https://github.com/gnuboard/gnuboard5/commit/b1fc952c7600b825c4b02e2789ddafdea18c8d13#diff-72e9a967d5cebb96734e6f6984091e66
Source: Mitre, NVD
Published: 2019-04-26
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:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00238