PHPOK 4.8.278 has a Reflected XSS vulnerability in framework/www/login_control.php via the _back parameter to the ok_f function.
https://unothing.github.io/posts/phpok48278/
Source: Mitre, NVD
Published: 2018-08-30
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: 0.0024