The way comments in article.php (vulnerable function in include/functions-article.php) are handled in Chadha PHPKB Standard Multi-Language 9 allows attackers to execute Stored (Blind) XSS (injecting arbitrary web script or HTML) in admin/manage-comments.php, via the GET parameter cmt.
Severity
CVSS 3.1
6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)