Missing Authorization vulnerability in zookatron MyBookProgress by Stormhill Media mybookprogress allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MyBookProgress by Stormhill Media: from n/a through <= 1.0.8.
Conclusion & alert: CVE-2025-31887 is rated Low Risk (33.3/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.23%).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-2025-31887
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).