The /users endpoint in Statamic Core before 2.11.8 allows XSS to add an administrator user. This can be exploited via CSRF. Stored XSS can occur via a JavaScript payload in a username during account registration. Reflected XSS can occur via the /users PATH_INFO.
Conclusion & alert: CVE-2020-9322 is rated Low Risk (36.4/100): CVSS High severity, with low exploitation likelihood (EPSS 0.02%).Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
Exploit prediction scoring system (EPSS) score for CVE-2020-9322
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).