The Simple SEO plugin for WordPress is vulnerable to attribute-based stored Cross-Site Scripting in versions up to, and including 1.7.91, due to insufficient sanitization or escaping on the SEO social and standard title parameters. This can be exploited by authenticated users with Contributor and above permissions to inject arbitrary web scripts into posts/pages that execute whenever an administrator access the page.
Conclusion & alert: CVE-2022-1628 is rated Low Risk (38.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.46%).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-2022-1628
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).