Medium (6.8) in cmsimple cmsimple. EPSS 0.5% chance of exploitation in the next 30 days.
A cross-site scripting (XSS) vulnerability in the Settings menu of CMSimple v5.15 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Edit parameter under the Language section.
Severity
CVSS 3.1
6.8 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L
EPSS
0.5% chance of exploitation in the next 30 days; higher than 44% of CVEs (scores of 2026-10-31)