CVE-2026-32308

OneUptime is a solution for monitoring and managing online services. Prior to 10.0.23, the Markdown viewer component renders Mermaid diagrams with securityLevel: "loose" and injects the SVG output via innerHTML. This configuration explicitly allows interactive event bindings in Mermaid diagrams,...

CVE-2026-32308

OneUptime prior to version 10.0.23 is affected by a Stored XSS in the Markdown viewer’s Mermaid diagram rendering. The renderer uses securityLevel: "loose" and injects Mermaid SVG output via innerHTML, allowing interactive bindings and enabling XSS via Mermaid’s click directive to execute arbitra...

CVE-2026-32308

OneUptime is a solution for monitoring and managing online services. Prior to 10.0.23, the Markdown viewer component renders Mermaid diagrams with securityLevel: "loose" and injects the SVG output via innerHTML. This configuration explicitly allows interactive event bindings in Mermaid diagrams,...