cleantalk — Vulnerabilities & Security Advisories 9

CleanTalk provides anti-spam and bot protection services for websites and applications, primarily targeting comment forms, contact pages, and registration systems. Historically, the application has been susceptible to multiple cross-site scripting (XSS) vulnerabilities, remote code execution (RCE) flaws, and privilege escalation issues, with nine CVEs documented to date. Notable security characteristics include its cloud-based approach and integration with popular CMS platforms. While no major public security incidents have been widely reported, the consistent discovery of vulnerabilities in its codebase suggests ongoing challenges in secure development practices, particularly in input validation and access control mechanisms.