An issue was discovered in baigo CMS 2.1.1. There is a persistent XSS vulnerability that allows remote attackers to inject arbitrary web script or HTML via the opt[base][BG_SITE_NAME] parameter to the bg_console/index.php?m=opt&c=request URI.
Severity
CVSS 3.0
6.1 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)