Critical (9.8) in wondercms wondercms. EPSS 45% chance of exploitation in the next 30 days.
A server-side request forgery (SSRF) vulnerability in the addCustomThemePluginRepository function in index.php in WonderCMS 3.1.3 allows remote attackers to execute arbitrary code via a crafted URL to the theme/plugin installer.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
45% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)