quadlayers — Vulnerabilities & Security Advisories 15

QuadLayers develops WordPress security and optimization plugins, with their core use case being website protection and performance enhancement. Historically, their products have been susceptible to multiple remote code execution (RCE) vulnerabilities, cross-site scripting (XSS), and privilege escalation flaws, accounting for their 15 recorded CVEs. Notable security characteristics include frequent authentication bypass issues and insufficient input validation in administrative functions. While no major public security incidents have been documented, the consistent pattern of vulnerabilities suggests ongoing challenges in secure coding practices, particularly in access control and data sanitization across their plugin ecosystem.