A stored cross-site scripting (XSS) vulnerability in EyouCMS v1.6.4-UTF8-SP1 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Menu Name field at /login.php?m=admin&c=Index&a=changeTableVal&_ajax=1&lang=cn.
Severity
CVSS 3.1
4.8 medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS
0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-31)