BookStackApp — Vulnerabilities & Security Advisories 23

BookStackApp serves as a self-hosted platform for organizing and storing documentation through hierarchical page structures. Historically, it has been susceptible to multiple remote code execution vulnerabilities, cross-site scripting flaws, and privilege escalation issues, with 19 CVEs documented. Notable security characteristics include its PHP-based architecture and frequent updates addressing authentication bypasses and input validation weaknesses. While no major public security incidents have been widely reported, the consistent pattern of vulnerabilities in earlier versions highlights the importance of maintaining current installations to mitigate risks associated with its web interface and database interactions.