GHSA-39H7-PWV7-RC3X Excalidraw vulnerable to XSS via Mermaid sequence diagram labels (KaTeX rendering)

Impact @excalidraw/[email protected] depends on a Mermaid conversion package version that resolves to a Mermaid release affected by CVE-2025-54881 / GHSA-7rqq-prvp-x9jh. User-supplied Mermaid sequence diagram labels could trigger XSS through Mermaid’s KaTeX label rendering path. This is patched i...